Dictionary.com
definitions
  • synonyms

radio beam

See more synonyms on Thesaurus.com
noun
  1. beam(def 12).
Show More

Origin of radio beam

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for 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, etcSometimes shortened to: beam
Show More
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