2. Word forms: plural ˈradiˌos such a receiving set, esp. one adapted for receiving the waves of the assigned frequencies of certain transmitters or broadcasting stations
4. of, using, used in, sent by, or operated by radio
5. having to do with electromagnetic wave frequencies between c. 10 kilohertz and c. 300,000 megahertz
verb transitive, verb intransitiveWord forms: ˈradiˌoed or ˈradiˌoing
6. to send (a message, etc.) or communicate with (a person) by radio
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.