radiate

[ verb rey-dee-eyt; adjective rey-dee-it, -eyt ]
/ verb ˈreɪ diˌeɪt; adjective ˈreɪ di ɪt, -ˌeɪt /

verb (used without object), ra·di·at·ed, ra·di·at·ing.

verb (used with object), ra·di·at·ed, ra·di·at·ing.

to emit in rays; disseminate, as from a center.
(of persons) to project (joy, goodwill, etc.).

adjective


Nearby words

  1. radiant heating,
  2. radiant intensity,
  3. radiantly,
  4. radiata,
  5. radiata pine,
  6. radiate crown,
  7. radiate ligament of rib,
  8. radiation,
  9. radiation belt,
  10. radiation biology

Origin of radiate

First recorded in 1610–20, radiate is from the Latin word radiātus (past participle of radiāre to radiate light, shine). See radiant, -ate1

Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for radiating


British Dictionary definitions for radiating

radiate

verb (ˈreɪdɪˌeɪt)

Also: eradiate to emit (heat, light, or some other form of radiation) or (of heat, light, etc) to be emitted as radiation
(intr) (of lines, beams, etc) to spread out from a centre or be arranged in a radial pattern
(tr) (of a person) to show (happiness, health, etc) to a great degree

adjective (ˈreɪdɪɪt, -ˌeɪt)

Word Origin for radiate

C17: from Latin radiāre to emit rays

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

Word Origin and History for radiating
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for radiating

radiate

[ rādē-āt′ ]

v.

To spread out in all directions from a center.
To emit or be emitted as radiation.
Related formsradi•a′tive adj.


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.