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Common Denominator
Common Denominator

Chapter I

Chapter 1 of Common Denominator is here in full — 281 sentences across 57 reading sections, with audio for every sentence and word.

Cover illustration for Common Denominator
Context Illustration Reading 1/56 · 5 lines
English subtitles · tap any word to listen 1 / 5
Advanced races generally are eager to share their knowledge with primitive ones.
In this case ... with Earthmen!
When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.
Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.
News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.
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AI-generated narration by OpenAI · Slow US English
LEARNER DICTIONARY
Archivist
/ˈɑːrkɪvɪst/
Editorial verification pending

A keeper or guardian of historical records and memories.

Common Denominator

Chapter I

Chapter 1 of Common Denominator is here in full — 281 sentences across 57 reading sections, with audio for every sentence and word.

Reading 1/56 · 5 reading units · Lines 1–5

Line 1
Advanced races generally are eager to share their knowledge with primitive ones.
/ədˈvænst ˈreɪsəz ˈdʒenərəli ɑːr ˈiːɡər tuː ʃer ðer ˈnɑːlədʒ wɪð ˈprɪmətɪv wʌnz/
Line 2
In this case ... with Earthmen!
Line 3
When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.
/wen skaʊt ɡruːp ˈfɔːrti ˈflɪkərd bæk əˈkrɔːs hæf ðə ˈɡæləksi wɪð ə kəmˈpliːt ˈkʌltʃər ˈstʌdi ʌv ə klæs ˈsevən ˌsɪvəlɪˈzeɪʃən ɑːn θriː ˈplænəts ʌv ˈɑːrɡəs ten ðə ˈbjʊroʊ ʌv ˈstelər dɪˈfens hæd ʌv kɔːrs ə praɪˈɔːrəti kleɪm ɑːn ɔːl ˈdeɪtə/
Line 4
Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.
Line 5
News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.
/nuːz ʌv ðə ˈkɑːntækt liːkt aʊt ənd prəˈfeʃənəl əˈlɑːrmɪsts prɪˈdɪktɪd daɪr θɪŋz ɑːn ðə nuːz skriːnz ʌv ðə θriː hoʊm ˈplænəts ʌv sɑːl/

Learner Dictionary

These definitions explain words found in the current reading and keep every example grounded in its original sentence.

Oxford-style entry order: headword, part of speech, US IPA, concise definition, contextual example, and audio.

alarmists noun US /əˈlɑːrmɪsts/

plural of “alarmist” — a person who alarms others needlessly

From this reading “News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.”

Argus noun US /ˈɑːrɡəs/

(Greek mythology) a giant with 100 eyes; was guardian of the heifer Io and was slain by Hermes

From this reading “When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.”

leaked verb US /liːkt/

past form of “leak” — tell anonymously

From this reading “News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.”

personnel noun US /ˌpɜːrsəˈnel/

group of people willing to obey orders

From this reading “Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.”

priority noun US /praɪˈɔːrəti/

status established in order of importance or urgency

From this reading “When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.”

quarantine noun US /ˈkwɔːrəntiːn/

enforced isolation of patients suffering from a contagious disease in order to prevent the spread of disease

From this reading “Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.”

Sevens noun US /ˈsevənz/

a card game in which you play your sevens and other cards in sequence in the same suit as the sevens; you win if you are the first to use all your cards

From this reading “Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.”

Stellar adjective US /ˈstelər/

indicating the most important performer or role

From this reading “When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.”

Word partnerships in these lines

English keeps certain words together, and knowing the pair is worth more than knowing each word alone. Every partnership below was counted across our whole published library, and earns its place by appearing far more often than two unrelated words of the same frequency would.

Shown as this reading writes them, with the form the library counts, what kind of pairing it is, and how often it occurs.

thirty days noun + noun

In this reading “Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.”

of course preposition + noun

as might be expected

In this reading “When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.”

All words in this reading · 82

Every word in these five lines is listed here, and every one of them can be played on its own.

Dictionary details are shown only when verified; these are not licensed Oxford entries.

adeterminerUS /ə/

used before a singular noun to mean one of a group, when it is not a particular one

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

acrossprepositionUS /əˈkrɔːs/

from one side of something to the other

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

AdvancedadjectiveUS /ədˈvænst/

farther along in physical or mental development

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

alarmistsnounUS /əˈlɑːrmɪsts/

plural of “alarmist” — a person who alarms others needlessly

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

alladjectiveUS /ɔːl/

(quantifier) used with either mass or count nouns to indicate the whole number or amount of or every one of a class

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

analysisnounUS /əˈnæləsəs/

an investigation of the component parts of a whole and their relations in making up the whole

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

andconjunctionUS /ənd/

used to join words or parts of a sentence that go together

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

areauxiliary verbUS /ɑːr/

the form of “be” used with you, we, they, or a plural noun

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

ArgusnounUS /ˈɑːrɡəs/

(Greek mythology) a giant with 100 eyes; was guardian of the heifer Io and was slain by Hermes

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

backadverbUS /bæk/

in or to or toward a former location

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

BureaunounUS /ˈbjʊroʊ/

an administrative unit of government

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

casenounUS /keɪs/

an occurrence of something

From this reading In this case ... with Earthmen!

civilizationnounUS /ˌsɪvəlɪˈzeɪʃən/

a society in an advanced state of social development (e.g., with complex legal and political and religious organizations)

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

claimnounUS /kleɪm/

an assertion of a right (as to money or property)

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

ClassnounUS /klæs/

a collection of things sharing a common attribute

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

completeverbUS /kəmˈpliːt/

come or bring to a finish or an end

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

contactnounUS /ˈkɑːntækt/

close interaction

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

coursenounUS /kɔːrs/

education imparted in a series of lessons or meetings

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

culturenounUS /ˈkʌltʃər/

a particular society at a particular time and place

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

dangernounUS /ˈdeɪndʒər/

the condition of being susceptible to harm or injury

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

datanounUS /ˈdeɪtə/

a collection of facts from which conclusions may be drawn

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

daysnounUS /deɪz/

the time during which someone's life continues

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

DefensenounUS /dɪˈfens/

(military) military action or resources protecting a country against potential enemies

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

detailedadjectiveUS /dɪˈteɪld/

developed or executed with care and in minute detail

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

direadjectiveUS /daɪr/

fraught with extreme danger; nearly hopeless

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

duringprepositionUS /ˈdʊrɪŋ/

all through a period, or at some point within it

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

eageradjectiveUS /ˈiːɡər/

having or showing keen interest or intense desire or impatient expectancy

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

Earthmen

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading In this case ... with Earthmen!

filmnounUS /fɪlm/

a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

flickeredverbUS /ˈflɪkərd/

past form of “flicker” — move back and forth very rapidly

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

forprepositionUS /fɔːr/

intended to be given to, or used by, somebody

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

FortyadjectiveUS /ˈfɔːrti/

being ten more than thirty

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

GalaxynounUS /ˈɡæləksi/

a splendid assemblage (especially of famous people)

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

generallyadverbUS /ˈdʒenərəli/

usually; as a rule

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

GroupnounUS /ɡruːp/

any number of entities (members) considered as a unit

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

hadauxiliary verbUS /hæd/

the past form of “have”, used to form the past perfect

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

halfadjectiveUS /hæf/

consisting of one of two equivalent parts in value or quantity

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

highadjectiveUS /haɪ/

greater than normal in degree or intensity or amount

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

homenounUS /hoʊm/

where you live at a particular time

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

InprepositionUS /ɪn/

inside something, or within a place, period, or state

From this reading In this case ... with Earthmen!

knowledgenounUS /ˈnɑːlədʒ/

the psychological result of perception and learning and reasoning

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

leakedverbUS /liːkt/

past form of “leak” — tell anonymously

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

NewsnounUS /nuːz/

information about recent and important events

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

ofprepositionUS /ʌv/

belonging to, or connected with, somebody or something

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

onprepositionUS /ɑːn/

touching and supported by a surface

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

onesnounUS /wʌnz/

plural of “one” — the smallest whole number or a numeral representing this number

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

outadjectiveUS /aʊt/

not allowed to continue to bat or run

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

personnelnounUS /ˌpɜːrsəˈnel/

group of people willing to obey orders

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

placedadjectiveUS /pleɪst/

situated in a particular spot or position

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

planetsnounUS /ˈplænəts/

plural of “planet” — (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

potentialadjectiveUS /pəˈtenʃəl/

existing in possibility

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

predictedverbUS /prɪˈdɪktɪd/

past form of “predict” — make a prediction about; tell in advance

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

primitiveadjectiveUS /ˈprɪmətɪv/

belonging to an early stage of technical development; characterized by simplicity and (often) crudeness

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

prioritynounUS /praɪˈɔːrəti/

status established in order of importance or urgency

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

professionaladjectiveUS /prəˈfeʃənəl/

engaged in a profession or engaging in as a profession or means of livelihood

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

quarantinenounUS /ˈkwɔːrəntiːn/

enforced isolation of patients suffering from a contagious disease in order to prevent the spread of disease

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

racesnounUS /ˈreɪsəz/

plural of “race” — any competition

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

rareadjectiveUS /rer/

not widely known; especially valued for its uncommonness

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

requiredadjectiveUS /riˈkwaɪərd/

necessary for relief or supply

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

ScoutnounUS /skaʊt/

a person employed to keep watch for some anticipated event

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

screensnounUS /skriːnz/

plural of “screen” — a white or silvered surface where pictures can be projected for viewing

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

SevennounUS /ˈsevən/

the cardinal number that is the sum of six and one

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

SevensnounUS /ˈsevənz/

a card game in which you play your sevens and other cards in sequence in the same suit as the sevens; you win if you are the first to use all your cards

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

shareverbUS /ʃer/

have in common

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

soconjunctionUS /soʊ/

for that reason; with the result that

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

SolnounUS /sɑːl/

a colloid that has a continuous liquid phase in which a solid is suspended in a liquid

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

spools

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

StellaradjectiveUS /ˈstelər/

indicating the most important performer or role

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

studynounUS /ˈstʌdi/

a detailed critical inspection

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

TennounUS /ten/

the cardinal number that is the sum of nine and one; the base of the decimal system

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

thedeterminerUS /ðə/

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

theirdeterminerUS /ðer/

belonging to the people or things already mentioned

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

thingsnounUS /θɪŋz/

any movable possession (especially articles of clothing)

From this reading News of the contact leaked out and professional alarmists predicted dire things on the news screens of the three home planets of Sol.

thirtynounUS /ˈθɜːrdiː/

the cardinal number that is the product of ten and three

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

thisdeterminerUS /ðɪs/

used for a person or thing that is near, or that has just been mentioned

From this reading In this case ... with Earthmen!

thousandsnounUS /ˈθaʊzəndz/

plural of “thousand” — the cardinal number that is the product of 10 and 100

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

threenounUS /θriː/

the cardinal number that is the sum of one and one and one

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

tightadjectiveUS /taɪt/

closely constrained or constricted or constricting

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

toparticleUS /tuː/

used before the base form of a verb to make the infinitive

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

wereauxiliary verbUS /wɜːr/

the past form of “be” used with you, we, they, or a plural noun

From this reading Class Sevens were rare and of high potential danger, so all personnel of Group Forty were placed in tight quarantine during the thirty days required for a detailed analysis of the thousands of film spools.

WhenconjunctionUS /wen/

at the time that

From this reading When Scout Group Forty flickered back across half the Galaxy with a complete culture study of a Class Seven civilization on three planets of Argus Ten, the Bureau of Stellar Defense had, of course, a priority claim on all data.

withprepositionUS /wɪð/

in the company of; together with

From this reading Advanced races generally are eager to share their knowledge with primitive ones.

Chapter 1 of Common Denominator by John D. (John Dann) MacDonald holds 281 sentences, grouped into 57 reading sections of at most 5 sentences. The text is the source edition, unabridged, and the chapter records which sentences cover which part of the work so that nothing is dropped. Every word can be tapped for its pronunciation and dictionary entry.

What does chapter 1 of Common Denominator contain?

Chapter 1 holds 281 sentences of Common Denominator, unabridged, divided into 57 reading sections.

This page carries chapter 1 of Common Denominator by John D. (John Dann) MacDonald exactly as it stands in the source edition, without abridgement. It runs to 281 sentences, grouped into 57 sections of at most 5 sentences so that a reader can take the chapter in steady, finishable pieces. The chapter also stores a coverage record mapping every one of its sentences to a part of the work, which is how the edition demonstrates that no line was dropped.

How do I study chapter 1 of Common Denominator?

Work through the 57 sections in order, replaying any sentence and tapping unfamiliar words for their entries.

Each of the 57 sections in this chapter is short enough to read once, hear once, and then re-read with the vocabulary in view. Tapping a word plays it alone and opens its dictionary entry with IPA, part of speech and meaning, so the reader is never forced to guess a pronunciation from spelling. Working section by section keeps a long chapter from becoming an undifferentiated wall of text, which is the usual reason a reader abandons a work of this period.

Can chapter 1 be read aloud to me?

Yes — every sentence and every individual word in chapter 1 can be played aloud in United States English.

Audio covers the whole chapter: any sentence can be played, and any single word within it can be played on its own. The voice uses United States English. For a work of this period that matters, because spelling is an unreliable guide to pronunciation for vocabulary that has fallen out of daily use, and a learner who guesses wrong tends to keep the error. Hearing the word in its own sentence, and then alone, settles it.

Questions about reading Common Denominator

Common questions about reading Common Denominator by John D. (John Dann) MacDonald on this page, its source edition and its audio.

Is this the complete text of Common Denominator?

Yes. All 281 sentences of Project Gutenberg eBook #51148 are kept, with a record of which sentences cover which part.

Which edition of Common Denominator is used?

Project Gutenberg eBook #51148, unabridged. The Project Gutenberg header, footer and licence are removed.

How long does Common Denominator take to read?

About 23 minutes of reading across 57 sections of 5 sentences each, at an unhurried pace.

How to read Common Denominator section by section

How to work through Common Denominator section by section, using the audio and the tap-to-define vocabulary.

  1. Open a chapter

    Choose one of the 1 chapters of Common Denominator to begin.

  2. Read one section

    Each section holds 5 sentences; read it once through.

  3. Listen and tap

    Play the section aloud, then tap any unfamiliar word for its entry.

Vocabulary met early in Common Denominator

Words and structures a reader meets early in Common Denominator, each tappable for pronunciation and meaning.

Advanced
A word that appears in the opening chapter of Common Denominator; the reader can tap it to hear it and see its dictionary entry.
Races
A word that appears in the opening chapter of Common Denominator; the reader can tap it to hear it and see its dictionary entry.
Generally
A word that appears in the opening chapter of Common Denominator; the reader can tap it to hear it and see its dictionary entry.
Eager
A word that appears in the opening chapter of Common Denominator; the reader can tap it to hear it and see its dictionary entry.