the portion of the electromagnetic spectrum that includes radio waves.
political spectrumRead more in this article about some frequently asked questions and fun facts related to our definitions.
Science Terms That We All Pretend To KnowIn the spirit of scientific community and understanding, let's clear up some misconceptions around a few of the most misunderstood scientific terms. Let’s boldly go where no man has gone before.
- radio microphone,
- radio range beacon,
- radio receiver,
- radio shack,
- radio source,
- radio star,
- radio station,
- radio taxi,
- radio telescope,
- radio tube
Origin of radio spectrum
First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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