from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An electromagnetic wave within the range of radio frequencies.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics electromagnetic radiation having a wavelength between about .5 centimeters and 30,000 meters; used for the broadcasting of radio and television signals.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m


Sorry, no etymologies found.


    Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.