radi-


Also found in: Dictionary, Encyclopedia.

radi(o)-

 
word element [L.], ray; radiation; emission of radiant energy; radium; radius (bone of the forearm); affixed to the name of a chemical element to designate a radioactive isotope of that element.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

radi-

Combining form meaning root.
[L. radix, root]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012