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Common Denominator
Common Denominator

Chapter I

Cover illustration for Common Denominator
Context Illustration Reading 1/57 · 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

Reading 1/57 · 5 reading units · Lines 1–5

Line 1
Advanced races generally are eager to share their knowledge with primitive ones.
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.
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.

Learner Dictionary

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

Across preposition US /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.”

Complete noun US /complete/

an important story-specific word used in this passage

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.”

Course noun US /course/

an important story-specific word used in this passage

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.”

During preposition US /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.”

Half noun US /half/

an important story-specific word used in this passage

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.”

Required noun US /required/

an important story-specific word used in this passage

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.”

All words in this reading · 82

Every word is available to listen to. 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.

Advanced

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

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

alarmists

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

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.

all

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

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.

analysis

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.

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.

Argus

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

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.

back

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

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.

Bureau

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

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.

case

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

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

civilization

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

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.

claim

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

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.

Class

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

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.

completenounUS /complete/

an important story-specific word used in this passage

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.

contact

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

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 /course/

an important story-specific word used in this passage

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.

culture

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

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.

danger

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.

data

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

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.

days

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.

Defense

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

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.

detailed

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.

dire

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

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.

eager

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

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!

film

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.

flickered

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

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.

Forty

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

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.

Galaxy

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

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.

generally

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

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

Group

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

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.

halfnounUS /half/

an important story-specific word used in this passage

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.

high

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.

home

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

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!

knowledge

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

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

leaked

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

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.

News

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

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.

ones

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

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

out

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

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

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.

placed

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.

planets

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

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.

potential

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.

predicted

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

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.

primitive

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

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

priority

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

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.

professional

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

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.

quarantine

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.

races

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

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

rare

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.

requirednounUS /required/

an important story-specific word used in this passage

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.

Scout

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

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.

screens

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

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.

Seven

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

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.

Sevens

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.

share

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

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.

Sol

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

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.

Stellar

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

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.

study

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

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.

Ten

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

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.

things

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

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.

thirty

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.

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!

thousands

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.

three

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

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.

tight

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.

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.