radio spectrum


noun

the portion of the electromagnetic spectrum that includes radio waves.

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Origin of radio spectrum

First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for radio spectrum

radio spectrum

noun

the range of electromagnetic frequencies used in radio transmission, lying between 10 kilohertz and 300 000 megahertz
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