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The Missing Formula
The Missing Formula

Chapter XV · What The Book Revealed

Chapter XV of The Missing Formula, “What The Book Revealed,” is here in full — 95 sentences across 19 reading sections, with audio for every sentence and word.

Cover illustration for The Missing Formula
Context Illustration Reading 1/19 · 5 lines
English subtitles · tap any word to listen 1 / 5
Midnight lights burned brightly in the Fairaday laboratory.
A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.
Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.
Well, I’m afraid it’s a failure,” Anne said in a subdued tone.
She smiled bravely but her face was wan.
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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.

The Missing Formula

Chapter XV · What The Book Revealed

Chapter XV of The Missing Formula, “What The Book Revealed,” is here in full — 95 sentences across 19 reading sections, with audio for every sentence and word.

Reading 1/19 · 5 reading units · Lines 1–5

Line 1
Midnight lights burned brightly in the Fairaday laboratory.
Line 2
A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.
Line 3
Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.
Line 4
Well, I’m afraid it’s a failure,” Anne said in a subdued tone.
Line 5
She smiled bravely but her face was wan.
/ʃiː smaɪld ˈbreɪvli bʌt hɜːr feɪs wɑːz wɑːn/

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.

Brady noun US /ˈbreɪdi/

United States pioneer photographer famous for his portraits; was the official Union photographer for the American Civil War (1823-1896)

From this reading “A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.”

Clyde noun US /klaɪd/

a river in western Scotland that flows from the southern uplands into the Firth of Clyde; navigable by oceangoing vessels as far as Glasgow

From this reading “Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.”

laboratory noun US /ˈlæbrətɔːri/

a workplace for the conduct of scientific research

From this reading “Midnight lights burned brightly in the Fairaday laboratory.”

propped verb US /prɑːpt/

inflected form of “prop” — support by placing against something solid or rigid

From this reading “Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.”

ranger noun US /ˈreɪndʒər/

a member of the Texas state highway patrol; formerly a mounted lawman who maintained order on the frontier

From this reading “Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.”

tense noun US /tens/

a grammatical category of verbs used to express distinctions of time

From this reading “A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.”

wan adjective US /wɑːn/

(of light) lacking in intensity or brightness; dim or feeble

From this reading “She smiled bravely but her face was wan.”

watchers noun US /ˈwɑːtʃərz/

plural of “watcher” — a close observer; someone who looks at something (such as an exhibition of some kind)

From this reading “A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.”

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.

subdued tone adjective + noun

In this reading ““Well, I’m afraid it’s a failure,” Anne said in a subdued tone.”

forest ranger noun + noun

In this reading “Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.”

stood watching verb + noun

In this reading “A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.”

busy at verb + particle

In this reading “A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.”

All words in this reading · 60

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 A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

afraidadjectiveUS /əˈfreɪd/

filled with fear or apprehension

From this reading “Well, I’m afraid it’s a failure,” Anne said in a subdued tone.

amusedadjectiveUS /əˈmjuːzd/

pleasantly occupied

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

andconjunctionUS /ənd/

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

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

AnnenounUS /æn/

Queen of England and Scotland and Ireland; daughter if James II and the last of the Stuart monarchs; in 1707 she was the last English ruler to exercise the royal veto over parliament (1665-1714)

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

atprepositionUS /æt/

in or near a particular place or position

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

backadverbUS /bæk/

in or to or toward a former location

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

BradynounUS /ˈbreɪdi/

United States pioneer photographer famous for his portraits; was the official Union photographer for the American Civil War (1823-1896)

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

bravelyadverbUS /ˈbreɪvli/

in a courageous manner

From this reading She smiled bravely but her face was wan.

brightlyadverbUS /ˈbraɪtli/

with brightness

From this reading Midnight lights burned brightly in the Fairaday laboratory.

Brownell

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

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

burnedadjectiveUS /bɜːrnd/

treated by heating to a high temperature but below the melting or fusing point

From this reading Midnight lights burned brightly in the Fairaday laboratory.

busyadjectiveUS /ˈbɪzi/

actively or fully engaged or occupied

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

butconjunctionUS /bʌt/

used to introduce something that contrasts with what came before

From this reading She smiled bravely but her face was wan.

byprepositionUS /baɪ/

showing who or what does the action

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

carelesslyadverbUS /ˈkerləsli/

without care or concern

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

chairnounUS /tʃer/

a seat for one person, with a support for the back

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

ClydenounUS /klaɪd/

a river in western Scotland that flows from the southern uplands into the Firth of Clyde; navigable by oceangoing vessels as far as Glasgow

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

contemptnounUS /kənˈtempt/

lack of respect accompanied by a feeling of intense dislike

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

facenounUS /feɪs/

the front of the human head from the forehead to the chin and ear to ear

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

failurenounUS /ˈfeɪljər/

an act that fails

From this reading “Well, I’m afraid it’s a failure,” Anne said in a subdued tone.

Fairaday

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

From this reading Midnight lights burned brightly in the Fairaday laboratory.

forestnounUS /ˈfɔːrəst/

the trees and other plants in a large densely wooded area

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

groupnounUS /ɡruːp/

any number of entities (members) considered as a unit

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

guardedadjectiveUS /ˈɡɑːrdəd/

prudent

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

herdeterminerUS /hɜːr/

belonging to a woman, girl, or female animal already mentioned

From this reading She smiled bravely but her face was wan.

hisdeterminerUS /hɪz/

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

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

I'm

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

From this reading “Well, I’m afraid it’s a failure,” Anne said in a subdued tone.

inprepositionUS /ɪn/

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

From this reading Midnight lights burned brightly in the Fairaday laboratory.

it's

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

From this reading “Well, I’m afraid it’s a failure,” Anne said in a subdued tone.

JacknounUS /dʒæk/

a small worthless amount

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

laboratorynounUS /ˈlæbrətɔːri/

a workplace for the conduct of scientific research

From this reading Midnight lights burned brightly in the Fairaday laboratory.

lightsnounUS /laɪts/

plural of “light” — (physics) electromagnetic radiation that can produce a visual sensation

From this reading Midnight lights burned brightly in the Fairaday laboratory.

lookverbUS /lʊk/

perceive with attention; direct one's gaze towards

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

Madge

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

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

MidnightnounUS /ˈmɪdnaɪt/

12 o'clock at night; the middle of the night

From this reading Midnight lights burned brightly in the Fairaday laboratory.

MrnounUS /ˈmɪstər/

a form of address for a man

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

MrsnounUS /ˈmɪsɪz/

a form of address for a married woman

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

ofprepositionUS /ʌv/

belonging to, or connected with, somebody or something

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

onprepositionUS /ɑːn/

touching and supported by a surface

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

proppedverbUS /prɑːpt/

inflected form of “prop” — support by placing against something solid or rigid

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

rangernounUS /ˈreɪndʒər/

a member of the Texas state highway patrol; formerly a mounted lawman who maintained order on the frontier

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

saidadjectiveUS /sed/

being the one previously mentioned or spoken of

From this reading “Well, I’m afraid it’s a failure,” Anne said in a subdued tone.

satnounUS /sæt/

the seventh and last day of the week; observed as the Sabbath by Jews and some Christians

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

ShepronounUS /ʃiː/

a woman, girl, or female animal already mentioned, as the subject

From this reading She smiled bravely but her face was wan.

smiledverbUS /smaɪld/

past form of “smile” — change one's facial expression by spreading the lips, often to signal pleasure

From this reading She smiled bravely but her face was wan.

stoodverbUS /stʊd/

Maintained an upright posture.

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

subduedadjectiveUS /səbˈduːd/

in a softened tone

From this reading “Well, I’m afraid it’s a failure,” Anne said in a subdued tone.

tablenounUS /ˈteɪbəl/

a set of data arranged in rows and columns

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

tensenounUS /tens/

a grammatical category of verbs used to express distinctions of time

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

thedeterminerUS /ðə/

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

From this reading Midnight lights burned brightly in the Fairaday laboratory.

tonenounUS /toʊn/

the quality of a person's voice

From this reading “Well, I’m afraid it’s a failure,” Anne said in a subdued tone.

wanadjectiveUS /wɑːn/

(of light) lacking in intensity or brightness; dim or feeble

From this reading She smiled bravely but her face was wan.

wasauxiliary verbUS /wɑːz/

the past form of “be” used with I, he, she, it, or a singular noun

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

watchersnounUS /ˈwɑːtʃərz/

plural of “watcher” — a close observer; someone who looks at something (such as an exhibition of some kind)

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

watchingnounUS /ˈwɑːtʃɪŋ/

the act of observing; taking a patient look

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

WelladverbUS /wel/

(often used as a combining form) in a good or proper or satisfactory manner or to a high standard (“good” is a nonstandard dialectal variant for “well”)

From this reading “Well, I’m afraid it’s a failure,” Anne said in a subdued tone.

Wendell

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

From this reading Clyde Wendell, guarded by a forest ranger, sat propped carelessly back in his chair, a look of amused contempt on his face.

whopronounUS /huː/

which person or people

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

workverbUS /wɜːrk/

exert oneself by doing mental or physical work for a purpose or out of necessity

From this reading A group of tense watchers, Madge and Mr. Brownell, Jack, and Mr. and Mrs. Brady, stood watching Anne who was busy at the work table.

Chapter 15 of The Missing Formula by Mildred A. (Mildred Augustine) Wirt holds 95 sentences, grouped into 19 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 15 of The Missing Formula contain?

Chapter 15 holds 95 sentences of The Missing Formula, unabridged, divided into 19 reading sections.

This page carries chapter 15 of The Missing Formula by Mildred A. (Mildred Augustine) Wirt exactly as it stands in the source edition, without abridgement. It runs to 95 sentences, grouped into 19 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 15 of The Missing Formula?

Work through the 19 sections in order, replaying any sentence and tapping unfamiliar words for their entries.

Each of the 19 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 15 be read aloud to me?

Yes — every sentence and every individual word in chapter 15 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 The Missing Formula

Common questions about reading The Missing Formula by Mildred A. (Mildred Augustine) Wirt on this page, its source edition and its audio.

Is this the complete text of The Missing Formula?

Yes. All 2024 sentences of Project Gutenberg eBook #40033 are kept, with a record of which sentences cover which part.

Which edition of The Missing Formula is used?

Project Gutenberg eBook #40033, unabridged. The Project Gutenberg header, footer and licence are removed.

How long does The Missing Formula take to read?

About 168 minutes of reading across 405 sections of 5 sentences each, at an unhurried pace.

How to read The Missing Formula section by section

How to work through The Missing Formula section by section, using the audio and the tap-to-define vocabulary.

  1. Open a chapter

    Choose one of the 15 chapters of The Missing Formula 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 The Missing Formula

Words and structures a reader meets early in The Missing Formula, each tappable for pronunciation and meaning.

Missing
A word that appears in the opening chapter of The Missing Formula; the reader can tap it to hear it and see its dictionary entry.
Formula
A word that appears in the opening chapter of The Missing Formula; the reader can tap it to hear it and see its dictionary entry.
Deserted
A word that appears in the opening chapter of The Missing Formula; the reader can tap it to hear it and see its dictionary entry.
Yacht
A word that appears in the opening chapter of The Missing Formula; the reader can tap it to hear it and see its dictionary entry.