RADIO- • FREE TRANSLATOR.ORG • Definition of Radio-

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adjective

Radio- adj.

Of or pertaining to, or employing, or operated by, radiant energy, specifically that of electromagnetic waves with frequencies between those of infrared radiation and X-rays; hence, pertaining to, or employed in, broadcast radio or television, microwaves, radiotelephones, etc.; as, radio waves.

Of or pertaining to broadcast radio; as, a radio program.

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Etymology of 'Radio-'

Collaborative International Dictionary of English 0.48

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"Radio-" Quotes from Famous Books

... answered. "I said the America expedition would fail. The radio-control of torpedoes is uncertain at the best because of difficulties in following the guide lights. They may be miles away, shut off by fog or waves; but this thing of ...

— The Conquest of America - A Romance of Disaster and Victory • Cleveland Moffett

... theory. They suspect there is a new element here—probably destined to occupy one of the last unfilled places of the Periodic Table, which chronicles all the elements known to science. Chemical analysis fails to reach the radio-active properties, and for their examination the electroscope and spinthariscope are needful. With these the radio-chemists are at work. The wire melted at a lower temperature than lead, but melting did not destroy its ...

— The Grey Room • Eden Phillpotts