Chapter XVI

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

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

on the subject of; concerning

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

in an absentminded or preoccupied manner

From this reading “Must be some hefty tube,” remarked Bob, rather absently.

later than; following

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

the form of “a” used before a word that begins with a vowel sound

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

an electrical device that sends or receives radio or television signals

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

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

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

past form of “ask” — make a request or demand for something to somebody

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

used with a past participle to form the passive, or with -ing for continuous tenses

From this reading “Must be some hefty tube,” remarked Bob, rather absently.

move up and down repeatedly

From this reading “Must be some hefty tube,” remarked Bob, rather absently.

plural of “boy” — a youthful male person

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

(usually followed by “of”) having capacity or ability

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

without stop or interruption

From this reading “They say it’s the most powerful tube in the world,” Joe continued enthusiastically.

time for Earth to make a complete rotation on its axis

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

with enthusiasm; in an enthusiastic manner

From this reading “They say it’s the most powerful tube in the world,” Joe continued enthusiastically.

plural of “fellow” — a boy or man

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

the number of occurrences within a given time period

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

used with a past participle to form the perfect tenses

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

detected or perceived by the sense of hearing

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

(of a person) possessing physical strength and weight; rugged and powerful

From this reading “Must be some hefty tube,” remarked Bob, rather absently.

greater than normal in degree or intensity or amount

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

ten 10s

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

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

From this reading “They say it’s the most powerful tube in the world,” Joe continued enthusiastically.

a single distinct event

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

a sense of concern with and curiosity about someone or something

From this reading “What about it?” the others asked, with interest.

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

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

a thing, animal, or idea already mentioned

From this reading “What about it?” the others asked, with interest.

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

From this reading “They say it’s the most powerful tube in the world,” Joe continued enthusiastically.

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

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

plural of “kilowatt” — a unit of power equal to 1000 watts

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

used to form the superlative

From this reading “They say it’s the most powerful tube in the world,” Joe continued enthusiastically.

used to say something is necessary, or almost certainly true

From this reading “Must be some hefty tube,” remarked Bob, rather absently.

something that baffles understanding and cannot be explained

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

belonging to, or connected with, somebody or something

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

used to join alternatives or possibilities

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

having periodic vibrations

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

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

From this reading “What about it?” the others asked, with interest.

having great power or force or potency or effect

From this reading “They say it’s the most powerful tube in the world,” Joe continued enthusiastically.

on the contrary

From this reading “Must be some hefty tube,” remarked Bob, rather absently.

past form of “remark” — make mention of

From this reading “Must be some hefty tube,” remarked Bob, rather absently.

express in words

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

put into a certain place or abstract location

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

for that reason; with the result that

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

(quantifier) used with either mass nouns or plural count nouns to indicate an unspecified number or quantity

From this reading “Must be some hefty tube,” remarked Bob, rather absently.

the activity of supplying or providing something

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

used to introduce what somebody said, thought, or felt

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

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

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

belonging to the people or things already mentioned

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

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

From this reading “They say it’s the most powerful tube in the world,” Joe continued enthusiastically.

judge or regard; look upon; judge

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

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

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

-ing form of “tinker” — do random, unplanned work or activities or spend time idly

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

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

From this reading “Think of it—this tube is capable of supplying a hundred kilowatts of oscillating high frequency energy to an antenna.”

conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

under the level of the ground

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

the absence of matter

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

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

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

used to ask for information about something

From this reading “What about it?” the others asked, with interest.

an exploratory oil well drilled in land not known to be an oil field

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

in the company of; together with

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.

everything that exists anywhere

From this reading “They say it’s the most powerful tube in the world,” Joe continued enthusiastically.

the person or people being spoken to

From this reading AN UNDERGROUND MYSTERY “Say, have you fellows heard about that new vacuum tube?” asked Joe, as the boys were tinkering with their set a day or so after the incident of the wildcat.