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Operation: Outer Space
Operation: Outer Space

Chapter VII · Chapter 7

Chapter 7 of Operation: Outer Space is here in full — 430 sentences across 86 reading sections, with audio for every sentence and word.

Cover illustration for Operation: Outer Space
Context Illustration Reading 1/86 · 5 lines
English subtitles · tap any word to listen 1 / 5
Babs brought Cochrane a plate.
He put food in his mouth and chewed and swallowed.
"They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."
Holden grunted.
"What would those same authorities have told your friend Columbus?
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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.

Operation: Outer Space

Chapter VII · Chapter 7

Chapter 7 of Operation: Outer Space is here in full — 430 sentences across 86 reading sections, with audio for every sentence and word.

Reading 1/86 · 5 reading units · Lines 1–5

Line 1
Babs brought Cochrane a plate.
Line 2
He put food in his mouth and chewed and swallowed.
/hiː pʊt fuːd ɪn hɪz maʊθ ənd tʃuːd ənd ˈswɑːloʊd/
Line 3
"They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."
Line 4
Holden grunted.
Line 5
"What would those same authorities have told your friend Columbus?
/wʌt wʊd ðoʊz seɪm əˈθɔːrətiz hæv toʊld jɔːr frend kəˈlʌmbəs/

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.

allergen noun US /ˈælərdʒən/

any substance that can cause an allergy

From this reading “"They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."”

authorities noun US /əˈθɔːrətiz/

the organization that is the governing authority of a political unit

From this reading “"What would those same authorities have told your friend Columbus?”

bacteriology noun US /ˌbæktɪriːˈɑːlədʒi/

the branch of medical science that studies bacteria in relation to disease

From this reading “"They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."”

chewed verb US /tʃuːd/

past form of “chew” — chew (food); to bite and grind with the teeth

From this reading “He put food in his mouth and chewed and swallowed.”

Columbus noun US /kəˈlʌmbəs/

the state capital of Ohio; located in the center of the state; site of Ohio State University

From this reading “"What would those same authorities have told your friend Columbus?”

grunted verb US /ˈɡrʌntɪd/

past form of “grunt” — issue a grunting, low, animal-like noise

From this reading “Holden grunted.”

swallowed verb US /ˈswɑːloʊd/

past form of “swallow” — pass through the esophagus as part of eating or drinking

From this reading “He put food in his mouth and chewed and swallowed.”

test noun US /test/

trying something to find out about it

From this reading “"They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."”

All words in this reading · 49

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 Babs brought Cochrane a plate.

affordverbUS /əˈfɔːrd/

be able to spare or give up

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

airnounUS /er/

a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

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 "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

allergennounUS /ˈælərdʒən/

any substance that can cause an allergy

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

andconjunctionUS /ənd/

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

From this reading He put food in his mouth and chewed and swallowed.

anythingpronounUS /ˈeniθɪŋ/

any thing at all

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

asconjunctionUS /æz/

at the same time that; because; in the way that

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

atprepositionUS /æt/

in or near a particular place or position

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

authoritiesnounUS /əˈθɔːrətiz/

the organization that is the governing authority of a political unit

From this reading "What would those same authorities have told your friend Columbus?

Babs

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

From this reading Babs brought Cochrane a plate.

bacteriologynounUS /ˌbæktɪriːˈɑːlədʒi/

the branch of medical science that studies bacteria in relation to disease

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

breatheverbUS /briːð/

draw air into, and expel out of, the lungs

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

broughtverbUS /brɔːt/

inflected form of “bring” — take something or somebody with oneself somewhere

From this reading Babs brought Cochrane a plate.

can't

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

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

chewedverbUS /tʃuːd/

past form of “chew” — chew (food); to bite and grind with the teeth

From this reading He put food in his mouth and chewed and swallowed.

Cochrane

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

From this reading Babs brought Cochrane a plate.

ColumbusnounUS /kəˈlʌmbəs/

the state capital of Ohio; located in the center of the state; site of Ohio State University

From this reading "What would those same authorities have told your friend Columbus?

foodnounUS /fuːd/

any substance that can be metabolized by an animal to give energy and build tissue

From this reading He put food in his mouth and chewed and swallowed.

friendnounUS /frend/

a person you know well and regard with affection and trust

From this reading "What would those same authorities have told your friend Columbus?

gruntedverbUS /ˈɡrʌntɪd/

past form of “grunt” — issue a grunting, low, animal-like noise

From this reading Holden grunted.

haveauxiliary verbUS /hæv/

used with a past participle to form the perfect tenses

From this reading "What would those same authorities have told your friend Columbus?

HepronounUS /hiː/

a man, boy, or male animal already mentioned, as the subject

From this reading He put food in his mouth and chewed and swallowed.

hisdeterminerUS /hɪz/

belonging to a man, boy, or male animal already mentioned

From this reading He put food in his mouth and chewed and swallowed.

Holden

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

From this reading Holden grunted.

inprepositionUS /ɪn/

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

From this reading He put food in his mouth and chewed and swallowed.

itpronounUS /ɪt/

a thing, animal, or idea already mentioned

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

itsdeterminerUS /ɪts/

belonging to the thing or animal already mentioned

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

knowverbUS /noʊ/

be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

localadjectiveUS /ˈloʊkəl/

relating to or applicable to or concerned with the administration of a city or town or district rather than a larger area

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

mouthnounUS /maʊθ/

the opening through which food is taken in and vocalizations emerge

From this reading He put food in his mouth and chewed and swallowed.

platenounUS /pleɪt/

(baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score

From this reading Babs brought Cochrane a plate.

possibleadjectiveUS /ˈpɑːsəbəl/

capable of happening or existing

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

putverbUS /pʊt/

put into a certain place or abstract location

From this reading He put food in his mouth and chewed and swallowed.

sameadjectiveUS /seɪm/

Identical; not different.

From this reading "What would those same authorities have told your friend Columbus?

sayverbUS /seɪ/

express in words

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

swallowedverbUS /ˈswɑːloʊd/

past form of “swallow” — pass through the esophagus as part of eating or drinking

From this reading He put food in his mouth and chewed and swallowed.

testnounUS /test/

trying something to find out about it

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

thedeterminerUS /ðə/

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

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

TheypronounUS /ðeɪ/

the people, animals, or things already mentioned, as the subject

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

thosedeterminerUS /ðoʊz/

the plural of “that”: the people or things further away, or already known

From this reading "What would those same authorities have told your friend Columbus?

toparticleUS /tuː/

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

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

toldverbUS /toʊld/

inflected form of “tell” — express in words

From this reading "What would those same authorities have told your friend Columbus?

touchverbUS /tʌtʃ/

make physical contact with, come in contact with

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

untilprepositionUS /ənˈtɪl/

up to a particular time

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

wepronounUS /wiː/

the speaker together with one or more other people

From this reading "They say we can't afford to breathe the local air at all until we know its bacteriology; we can't touch anything until we test it as a possible allergen; we can't."

WhatpronounUS /wʌt/

used to ask for information about something

From this reading "What would those same authorities have told your friend Columbus?

wouldmodal verbUS /wʊd/

used for something imagined, polite, or habitual in the past

From this reading "What would those same authorities have told your friend Columbus?

yourdeterminerUS /jɔːr/

belonging to the person or people being spoken to

From this reading "What would those same authorities have told your friend Columbus?

Chapter 7 of Operation: Outer Space by Murray Leinster holds 430 sentences, grouped into 86 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 7 of Operation: Outer Space contain?

Chapter 7 holds 430 sentences of Operation: Outer Space, unabridged, divided into 86 reading sections.

This page carries chapter 7 of Operation: Outer Space by Murray Leinster exactly as it stands in the source edition, without abridgement. It runs to 430 sentences, grouped into 86 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 7 of Operation: Outer Space?

Work through the 86 sections in order, replaying any sentence and tapping unfamiliar words for their entries.

Each of the 86 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 7 be read aloud to me?

Yes — every sentence and every individual word in chapter 7 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 Operation: Outer Space

Common questions about reading Operation: Outer Space by Murray Leinster on this page, its source edition and its audio.

Is this the complete text of Operation: Outer Space?

Yes. All 5158 sentences of Project Gutenberg eBook #18361 are kept, with a record of which sentences cover which part.

Which edition of Operation: Outer Space is used?

Project Gutenberg eBook #18361, unabridged. The Project Gutenberg header, footer and licence are removed.

How long does Operation: Outer Space take to read?

About 429 minutes of reading across 1032 sections of 5 sentences each, at an unhurried pace.

How to read Operation: Outer Space section by section

How to work through Operation: Outer Space section by section, using the audio and the tap-to-define vocabulary.

  1. Open a chapter

    Choose one of the 12 chapters of Operation: Outer Space 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 Operation: Outer Space

Words and structures a reader meets early in Operation: Outer Space, each tappable for pronunciation and meaning.

Cochrane
A word that appears in the opening chapter of Operation: Outer Space; the reader can tap it to hear it and see its dictionary entry.
Tried
A word that appears in the opening chapter of Operation: Outer Space; the reader can tap it to hear it and see its dictionary entry.
Cynical
A word that appears in the opening chapter of Operation: Outer Space; the reader can tap it to hear it and see its dictionary entry.
Helicab
A word that appears in the opening chapter of Operation: Outer Space; the reader can tap it to hear it and see its dictionary entry.