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radiate

 - 5 dictionary results

ra⋅di⋅ate

  [v. rey-dee-eyt; adj. rey-dee-it, -eyt] verb, -at⋅ed, -at⋅ing, adjective
Use radiate in a Sentence
–verb (used without object)
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)
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:
1610–20; < L radiātus (ptp. of radiāre to radiate light, shine). See radiant, -ate 1

Related forms:
ra⋅di⋅a⋅ble, adjective
ra⋅di⋅a⋅bil⋅i⋅ty, ra⋅di⋅a⋅ble⋅ness, noun
ra⋅di⋅a⋅bly, ra⋅di⋅ate⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To radiate
ra·di·ate   (rā'dē-āt')   
v.   ra·di·at·ed, ra·di·at·ing, ra·di·ates

v.   intr.

  1. To send out rays or waves.

  2. To issue or emerge in rays or waves: Heat radiated from the stove.

  3. To extend in straight lines from or toward a center; diverge or converge like rays: Spokes radiate from a wheel hub.

  4. Ecology To spread into new habitats and thereby diverge or diversify. Used of a group of organisms.

v.   tr.

  1. To emit (light, for example) in or as if in rays.

  2. To send or spread out from or as if from a center: a cactus that radiates spines.

  3. To irradiate or illuminate (an object).

  4. To manifest in a glowing manner: a leader who radiates confidence.

adj.   (-ĭt)

  1. Botany Having rays or raylike parts, as in the flower heads of daisies.

  2. Biology Characterized by radial symmetry.

  3. Surrounded with rays: a radiate head on a coin.


[Latin radiāre, radiāt-, to emit beams, from radius, ray.]
ra'di·a'tive adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Medical Dictionary

Main Entry: 1ra·di·ate
Pronunciation: 'rAd-E-"At
Function: verb
Inflected Forms: -at·ed; -at·ing
intransitive senses
: to issue in or as if in rays : spread from a central point radiates from the ear to the temporal region, theparotid gland, and the cheek —H. G. Armstrong> radiate transitive senses
: IRRADIATE

Main Entry: 2ra·di·ate
Pronunciation: 'rAd-E-&t, -E-"At
Function: adjective
1 : having rays or radial parts
2 : characterized by radial symmetry : RADIALLY SYMMETRICAL
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

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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