Definitions

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Of or pertaining to, or employing, or operated by, radiant energy, specifically that of electromagnetic waves with frequencies between those of infrared radiation and X-rays; hence, pertaining to, or employed in, broadcast radio or television, microwaves, radiotelephones, etc..
  • adjective of or pertaining to broadcast radio.
  • A combining form indicating connection with, or relation to, a radius or ray; specifically (Anat.), with the radius of the forearm.

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

  • prefix radiation
  • prefix radio (broadcasting)
  • prefix anatomy radius (bone)

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

  • adjective indicating radiation or radioactivity
  • noun an electronic receiver that detects and demodulates and amplifies transmitted signals
  • noun a communication system based on broadcasting electromagnetic waves
  • verb transmit messages via radio waves
  • noun medium for communication

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin radius ("ray")

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Examples

  • Ionizing radiation such as the kind emitted by UV rays or X-rays breaks chemical bonds and releases ions whereas non-ionising radiation, such as radio- or microwaves, cannot break chemical bonds but can produce other effects on matter, such as heat.

    CBC | Top Stories News 2011

  • Crestview, a New York-based private-equity firm, created a strategic partnership with Cumulus in April to invest in radio- broadcasting companies.

    BusinessWeek.com -- Top News 2011

  • March 10 Bloomberg -- Cumulus Media Inc., the U.S. radio- station owner, offered to buy larger rival Citadel Broadcasting Corp. in a deal worth $2.4 billion to expand its coverage and cut costs, ending months of negotiations.

    BusinessWeek.com -- Top News 2011

  • Today, Cory Booker, the African American mayor of the City of Newark, New Jersey, was on the radio- WFAN.

    msnbc.com: Top msnbc.com headlines 2011

  • The procedure could also benefit boys with cancer who are too young to produce sperm but are at risk of being made infertile by radio- or chemotherapy.

    The Guardian World News Ian Sample 2011

Comments

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  • Radio- (Page: 1183)

    Ra"di*o- (?). A combining form indicating connection with, or relation to, a radius or ray; specifically (Anat.), with the radius of the forearm; as, radio-ulnar, radiomuscular, radiocarpal.

    ARTFL Project: Webster Dictionary, 1913

    March 12, 2011