[ 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.
to extend, spread, or move like rays or radii from a center.
to emit rays, as of light or heat; irradiate.
to issue or proceed in rays.
(of persons) to project or glow with cheerfulness, joy, etc.: She simply radiates with good humor.
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.).
radiating from a center.
having rays extending from a central point or part: a coin showing a radiate head.
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Origin of radiate
ra·di·a·ble, adjectivera·di·a·bil·i·ty, ra·di·a·ble·ness, nounra·di·a·bly, ra·di·ate·ly, adverban·ti·ra·di·at·ing, adjective
in·ter·ra·di·ate, verb (used without object), in·ter·ra·di·at·ed, in·ter·ra·di·at·ing.mul·ti·ra·di·ate, adjectivemul·ti·ra·di·at·ed, adjectivenon·ra·di·at·ing, adjectivere·ra·di·ate, verb, re·ra·di·at·ed, re·ra·di·at·ing.sub·ra·di·ate, adjectiveun·ra·di·at·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for radiability
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)
having rays; radiating
(of a capitulum) consisting of ray florets
(of animals or their parts) showing radial symmetry
adorned or decorated with raysa radiate head on a coin
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
Medicine definitions for radiability (1 of 2)
[ rā′dē-ə-bĭl′ĭ-tē ]
The property of being radiable.
Medicine definitions for radiability (2 of 2)
[ rā′dē-āt′ ]
To spread out in all directions from a center.
To emit or be emitted as radiation.
Related formsra′di•a′tive adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.