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/rˈeɪdiˌoʊ/ Listen

Radio

noun

Medium for communication. Synonyms: radiocommunication, wireless.

An electronic receiver that detects and demodulates and amplifies transmitted signals. Synonyms: radio receiver, radio set, receiving set, tuner, wireless.

A communication system based on broadcasting electromagnetic waves. Synonym: wireless.

verb

Transmit messages via radio waves.

adjective

Indicating radiation or radioactivity.

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"Radio" Quotes from Famous Books

... encounters, hang on the collateral existence of other centres of force, among which it must wend its way: yet the only witness to their presence, and the only known property of their substance, is their "radio-activity", or the physical light which they shed. Light, in its physical being, is accordingly the measure of all things in this new philosophy: and if we ask ourselves why this element should have been preferred, the answer is not far to seek. Light ...

— Some Turns of Thought in Modern Philosophy - Five Essays • George Santayana

... the fleet!" General Huntington's voice sounded from his flagship, the Washington. Somehow its gruffness overrode the mechanical quality of the intra-fleet radio transmission. Almost it seemed he was there in the tiny cabin. "Reports have at this moment been received that our attack fleets have been everywhere successful. Our rocket ships have destroyed Tokyo, ...

— When the Sleepers Woke • Arthur Leo Zagat

... is, of course, very different from ours. There is no radio or television, the motor car is no more than a plaything for the rich. There is only the beginnings of a telephone system. Much sea transport is still by sailing ship and the idea of mass air travel is in the realm of science-fiction. France lost the Franco-Prussian ...

— Tartarin de Tarascon • Alphonse Daudet

... has for some years urgently presented the necessity for further legislation in order to protect radio listeners from interference between broadcasting stations and to carry out other regulatory functions. Both branches of Congress at the last session passed enactments intended to effect such ...

— Complete State of the Union Addresses from 1790 to the Present • Various

... carpeted halls were musty and still as we climbed, except for the unheeded squeaking of a radio someone had forgotten to turn off. You could always tell when a radio was being listened to, for when disregarded it sulkily gave off painfully listless noises ...

— Greener Than You Think • Ward Moore

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