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).
QUIZZES
DO YOU KNOW THIS VOCABULARY FROM "THE HANDMAID'S TALE"?
"The Handmaid's Tale" was required reading for many of us in school. Everyone else has probably watched the very popular and addictive TV show. Do you remember this vocabulary from the book, and do you know what these terms mean?
Question 1 of 10
decorum
Origin of radio-
< French, combining form representing Latin radius beam, ray, radius
Words nearby radio-
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for radio-
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.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.