radio

[ rey-dee-oh ]

/ ˈreɪ diˌoʊ /

SEE SYNONYMS FOR radio ON THESAURUS.COM

noun, plural ra·di·os.

wireless telegraphy or telephony: speeches broadcast by radio.

an apparatus for receiving or transmitting radio broadcasts.

a message transmitted by radio.

adjective

pertaining to, used in, or sent by radio.

pertaining to or employing radiations, as of electrical energy.

verb (used with object), ra·di·oed, ra·di·o·ing.

to transmit (a message, music, etc.) by radio.

to send a message to (a person) by radio.

verb (used without object), ra·di·oed, ra·di·o·ing.

to transmit a message, music, etc., by radio.

Origin of radio

1910–15; shortening of radiotelegraph or radiotelegraphy

OTHER WORDS FROM radio

pre·ra·di·o, adjective

Definition for radio (2 of 2)

radio-

a combining form with the meanings “dealing with radiant energy” (radiometer), “employing or dealing with radio waves” (radioacoustics; radiolocation; radiotelephone), “emitting rays as a result of the breakup of atomic nuclei” (radioactive; radiocarbon), “characterized by, employing or dealing with such rays” (radiography; radiopaque; radiotherapy).

Origin of radio-

<French, combining form representing Latin radius beam, ray, radius

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for radio (1 of 2)

radio

/ (ˈreɪdɪəʊ) /

noun plural -os

the use of electromagnetic waves, lying in the radio-frequency range, for broadcasting, two-way communications, etc

Also called (esp Brit): wireless an electronic device designed to receive, demodulate, and amplify radio signals from sound broadcasting stations, etc

a similar device permitting both transmission and reception of radio signals for two-way communications

the broadcasting, content, etc, of sound radio programmeshe thinks radio is poor these days

the occupation or profession concerned with any aspect of the broadcasting of sound radio programmeshe's in radio
(modifier) relating to, produced for, or transmitted by sound radioradio drama

short for radiotelegraph, radiotelegraphy, radiotelephone

(modifier)

of, relating to, employed in, or sent by radio signalsa radio station
of, concerned with, using, or operated by radio frequenciesradio spectrum

(modifier) (of a motor vehicle) equipped with a radio for communicationradio car

verb -os, -oing or -oed

to transmit (a message) to (a person, radio station, etc) by means of radio waves

Word Origin for radio

C20: short for radiotelegraphy

British Dictionary definitions for radio (2 of 2)

radio-

combining form

denoting radio, broadcasting, or radio frequencyradiogram

indicating radioactivity or radiationradiochemistry; radiolucent

indicating a radioactive isotope or substanceradioactinium; radiothorium; radioelement

Word Origin for radio-

from French, from Latin radius ray; see radius

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

Medical definitions for radio

radio-

pref.

Radiation; radiant energy:radiometer.

Radioactive:radiochemistry.

Radius:radiobicipital.

Scientific definitions for radio

radio

[ rā′dē-ō ]

Noun

The equipment used to generate, alter, transmit, and receive radio waves so that they carry information.

Adjective

Relating to or involving the emission of radio waves.

单词	radio
释义	radio [ rey-dee-oh ] / ˈreɪ diˌoʊ / SEE SYNONYMS FOR radio ON THESAURUS.COM noun, plural ra·di·os. wireless telegraphy or telephony: speeches broadcast by radio. an apparatus for receiving or transmitting radio broadcasts. a message transmitted by radio. adjective pertaining to, used in, or sent by radio. pertaining to or employing radiations, as of electrical energy. verb (used with object), ra·di·oed, ra·di·o·ing. to transmit (a message, music, etc.) by radio. to send a message to (a person) by radio. verb (used without object), ra·di·oed, ra·di·o·ing. to transmit a message, music, etc., by radio. Origin of radio 1910–15; shortening of radiotelegraph or radiotelegraphy OTHER WORDS FROM radio pre·ra·di·o, adjective Definition for radio (2 of 2) radio- a combining form with the meanings “dealing with radiant energy” (radiometer), “employing or dealing with radio waves” (radioacoustics; radiolocation; radiotelephone), “emitting rays as a result of the breakup of atomic nuclei” (radioactive; radiocarbon), “characterized by, employing or dealing with such rays” (radiography; radiopaque; radiotherapy). Origin of radio- <French, combining form representing Latin radius beam, ray, radius Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for radio (1 of 2) radio / (ˈreɪdɪəʊ) / noun plural -os the use of electromagnetic waves, lying in the radio-frequency range, for broadcasting, two-way communications, etc Also called (esp Brit): wireless an electronic device designed to receive, demodulate, and amplify radio signals from sound broadcasting stations, etc a similar device permitting both transmission and reception of radio signals for two-way communications the broadcasting, content, etc, of sound radio programmeshe thinks radio is poor these days the occupation or profession concerned with any aspect of the broadcasting of sound radio programmeshe's in radio (modifier) relating to, produced for, or transmitted by sound radioradio drama short for radiotelegraph, radiotelegraphy, radiotelephone (modifier) of, relating to, employed in, or sent by radio signalsa radio station of, concerned with, using, or operated by radio frequenciesradio spectrum (modifier) (of a motor vehicle) equipped with a radio for communicationradio car verb -os, -oing or -oed to transmit (a message) to (a person, radio station, etc) by means of radio waves Word Origin for radio C20: short for radiotelegraphy British Dictionary definitions for radio (2 of 2) radio- combining form denoting radio, broadcasting, or radio frequencyradiogram indicating radioactivity or radiationradiochemistry; radiolucent indicating a radioactive isotope or substanceradioactinium; radiothorium; radioelement Word Origin for radio- from French, from Latin radius ray; see radius 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 Words related to radio transmission, wireless, receiver, telegraphy, radiotelegraphy, telephony, radiotelegraph, radiotelephone, radionics, shortwave Medical definitions for radio radio- pref. Radiation; radiant energy:radiometer. Radioactive:radiochemistry. Radius:radiobicipital. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for radio radio [ rā′dē-ō ] Noun The equipment used to generate, alter, transmit, and receive radio waves so that they carry information. Adjective Relating to or involving the emission of radio waves. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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radio

noun, plural ra·di·os.

adjective

verb (used with object), ra·di·oed, ra·di·o·ing.

verb (used without object), ra·di·oed, ra·di·o·ing.

Origin of radio

OTHER WORDS FROM radio

Definition for radio (2 of 2)

Origin of radio-

British Dictionary definitions for radio (1 of 2)

noun plural -os

verb -os, -oing or -oed

Word Origin for radio

British Dictionary definitions for radio (2 of 2)

combining form

Word Origin for radio-

Words related to radio

Medical definitions for radio

pref.

Scientific definitions for radio

Noun

Adjective