radio source

noun Astronomy.

a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves.

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Origin of radio source

First recorded in 1945–50

Words nearby radio source

radio knife, radio microphone, radio range beacon, radio receiver, radio shack, radio source, radio spectrum, radio star, radio station, radio taxi, radio telescope
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British Dictionary definitions for radio source

radio source

noun

a celestial object, such as a supernova remnant or quasar, that is a source of radio waves
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