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Definition of "radio" []

  • The wireless transmission through space of electromagnetic waves in the approximate frequency range from 10 kilohertz to 300,000 megahertz. (noun)
  • Communication of audible signals encoded in electromagnetic waves. (noun)
  • Transmission of programs for the public by radio broadcast. (noun)
  • An apparatus used to transmit radio signals; a transmitter. (noun)
  • An apparatus used to receive radio signals; a receiver. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "radio" in a sentence
  • "While the White House can count on the Right’s vertically integrated media machine – from cable TV to talk radio, from newspapers and magazines to book publishing and the Internet – the opposition has mostly scattered voices on the Internet and in fledgling “progressive talk radio” to make its case."
  • "Why lah they must use the radio channel to boast which club they went to last night, how they dance lah, yadda yadda yadda bla bla bla. * turn off radio*"
  • "A: The only thing a contract's worth in radio is how much they're going to pay you when they fire you."