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View synonyms for radio beam

radio beam

radio beam

noun

  1. a narrow beam of radio signals transmitted by a radio or radar beacon, radio telescope, or some other directional aerial, used for communications, navigation, etc Sometimes shortened tobeam
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of radio beam1

First recorded in 1920–25
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Example Sentences

Each star acts as a giant clock, precisely stabilized by its immense mass, “ticking” with every rotation as its radio beam sweeps past.

We can have no warning, I suppose; your ship will outrace the radio beam.

Her directed radio beam flashed the yellow call signal in O'Malley's control room.

"A way of transmitting real power in a radio beam," said the 'copter man.

It'll be simple for them to send out a radio beam and touch our invisible ship with it.

The rockets of the tiny missile were flaming, but that flame was visible only from the rear and no radio beam was upon it.

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radio beaconradiobiology