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radiate

[v. rey-dee-eyt; adj. rey-dee-it, -eyt] /v. ˈreɪ diˌeɪt; adj. ˈreɪ di ɪt, -ˌeɪt/
verb (used without object), radiated, radiating.
1.
to extend, spread, or move like rays or radii from a center.
2.
to emit rays, as of light or heat; irradiate.
3.
to issue or proceed in rays.
4.
(of persons) to project or glow with cheerfulness, joy, etc.:
She simply radiates with good humor.
verb (used with object), radiated, radiating.
5.
to emit in rays; disseminate, as from a center.
6.
(of persons) to project (joy, goodwill, etc.).
adjective
7.
radiating from a center.
8.
having rays extending from a central point or part:
a coin showing a radiate head.
9.
radiating symmetrically.
Origin of radiate
1610-1620
1610-20; < Latin radiātus (past participle of radiāre to radiate light, shine). See radiant, -ate1
Related forms
radiable, adjective
radiability, radiableness, noun
radiably, radiately, adverb
antiradiating, adjective
interradiate, verb (used without object), interradiated, interradiating.
multiradiate, adjective
multiradiated, adjective
nonradiating, adjective
reradiate, verb, reradiated, reradiating.
subradiate, adjective
unradiated, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for radiate
Contemporary Examples
Historical Examples
  • The sides of the square and the pieces which radiate from the corners are first laid in position.

    The Manbos of Mindano John M. Garvan
  • The capacity of bodies to radiate and to absorb differ considerably.

    Aether and Gravitation William George Hooper
  • Our interest centres in the farmhouses, and in the influence that seems to radiate from there.

    A Year in the Fields John Burroughs
  • They radiate from the surface of the skin and reproduce a simulacrum, as it were, of the surface.

  • From a window above came a faint yellow haze such as might radiate from a single candle.

    The Grey Cloak Harold MacGrath
  • In fact, he seemed to radiate a curiously apprehensive aura.

    The Blue Tower Evelyn E. Smith
  • Now if you would come in contact with that nature that could radiate to you just what you could give to it, you would be happy.

    There is no Death Florence Marryatt
British Dictionary definitions for radiate

radiate

verb (ˈreɪdɪˌeɪt)
1.
Also eradiate. to emit (heat, light, or some other form of radiation) or (of heat, light, etc) to be emitted as radiation
2.
(intransitive) (of lines, beams, etc) to spread out from a centre or be arranged in a radial pattern
3.
(transitive) (of a person) to show (happiness, health, etc) to a great degree
adjective (ˈreɪdɪɪt; -ˌeɪt)
4.
having rays; radiating
5.
(of a capitulum) consisting of ray florets
6.
(of animals or their parts) showing radial symmetry
7.
adorned or decorated with rays: a radiate head on a coin
Word Origin
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
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Word Origin and History for radiate
v.

1610s, "spread in all directions from a point," from Latin radiatus, past participle of radiare "to beam, shine, gleam; make beaming" (see radiation). Meaning "be radiant, give off rays (of light or heat)" is from 1704. Related: Radiated; radiates; radiating.

adj.

"having rays, furnished with rays, shining," 1660s, from Latin radiatus (see radiate (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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radiate in Medicine

radiate ra·di·ate (rā'dē-āt')
v. ra·di·at·ed, ra·di·at·ing, ra·di·ates

  1. To spread out in all directions from a center.

  2. To emit or be emitted as radiation.


ra'di·a'tive adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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