radio beam

noun

1. beam.

radio beam

noun

1. Sometimes shortened to: beam. 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

Word History and Origins

Origin of radio beam¹

First recorded in 1920–25

Example Sentences

Dr Taylor described the radio beams from pulsars as being like light beams from a lighthouse.

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To detect the spiraling pairs, observers train large radio telescopes on dozens of pulsars—collapsed stars emitting radio beams that, as the pulsar spins, appear as pulses with clocklike regularity.

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The stars, collapsed stellar remnants made of tightly packed neutrons, are called pulsars because as they spin, they emit radio beams that sweep past Earth like a lighthouse.

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Those fields power pulsars, which sweep a radio beam past Earth at regular intervals as they spin.

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Connery answers diffidently: “A little. It’s throwing the gyroscopic controls of a guided missile off balance with a … a radio beam or something, isn’t it?”

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