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unirradiated

 - 5 dictionary results

ir⋅ra⋅di⋅ate

  [v. i-rey-dee-eyt; adj. i-rey-dee-it, -eyt] verb, -at⋅ed, -at⋅ing, adjective
Use unirradiated in a Sentence
–verb (used with object)
1. to shed rays of light upon; illuminate.
2. to illumine intellectually or spiritually.
3. to brighten as if with light.
4. to radiate (light, illumination, etc.).
5. to heat with radiant energy.
6. to treat by exposure to radiation, as of ultraviolet light.
7. to expose to radiation.
–verb (used without object)
8. Archaic.
a. to emit rays; shine.
b. to become radiant.
–adjective
9. irradiated; bright.
Origin:
1595–1605; < L irradiātus, ptp. of irradiāre to shine upon. See ir- 1 , radiate

Related forms:
ir⋅ra⋅di⋅at⋅ing⋅ly, adverb
ir⋅ra⋅di⋅a⋅tive, adjective
ir⋅ra⋅di⋅a⋅tor, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: ir·ra·di·ate
Pronunciation: ir-'Ad-E-"At
Function: transitive verb
Inflected Forms: -at·ed; -at·ing
: to affect or treat by radiant energy (as heat); specifically : to treat by exposure to radiation (as ultraviolet light or gamma rays)

Main Entry: un·ir·ra·di·at·ed
Pronunciation: "&n-ir-'Ad-E-"At-&d
Function: adjective
: not having been exposed toradiation <unirradiated lymphocytes>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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

  1. To expose to radiation, as for diagnostic or therapeutic purposes.

  2. To treat with radiation.

  3. To apply radiation to a structure or organism.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
irradiate   (ĭ-rā'dē-āt')  Pronunciation Key 
To expose to or treat with radiation. For example, meat sold as food is often irradiated with x-rays or other radiation to kill bacteria; uranium 238 can be irradiated with neutrons to create fissionable plutonium 239.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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