QUIZ
QUIZ YOURSELF ON "IS" VS. "ARE"
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Question 1 of 7
IS and ARE are both forms of which verb?
Origin of radio
1910–15; shortening of radiotelegraph or radiotelegraphy
OTHER WORDS FROM radio
pre·ra·di·o, adjectiveOther definitions 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 Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use radio in a sentence
British Dictionary definitions for radio (1 of 2)
radio
/ (ˈreɪdɪəʊ) /
noun plural -os
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
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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.