irradiation

[ih-rey-dee-ey-shuhn]

ir·ra·di·a·tion

[ih-rey-dee-ey-shuhn]
noun
1.
the act of irradiating.
2.
the state of being irradiated.
3.
intellectual or spiritual enlightenment.
4.
a ray of light; beam.
5.
Optics. the apparent enlargement of an object when seen against a dark background.
EXPAND
6.
the use of x-rays or other forms of radiation for the treatment of disease, the making of x-ray photographs, the manufacture of vitamin D, etc.
7.
exposure or the process of exposure to x-rays or other radiation.
8.
Physics. irradiance.
COLLAPSE

Origin:
1580–90; < Late Latin irradiātiōn- (stem of irradiātiō). See ir-1, radiation

post·ir·ra·di·a·tion, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To irradiation

00:10

00:09

00:08

00:07

00:06

00:05

00:04

00:03

00:02

00:01

Irradiation has a plethora of syllables.
So is dichlorodiphenyltrichloroethane. Does it mean:
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
given to using long words.
Collins
World English Dictionary
irradiation (ɪˌreɪdɪˈeɪʃən)
 
n
1.  the act or process of irradiating or the state of being irradiated
2.  the apparent enlargement of a brightly lit object when it is viewed against a dark background
3.  a shaft of light; beam or ray
4.  med
 a.  the therapeutic or diagnostic use of radiation, esp X-rays
 b.  exposure of a patient to such radiation
5.  radiation another name for irradiance

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

irradiation ir·ra·di·a·tion (ĭ-rā'dē-ā'shən)
n.

  1. Exposure or subjection to the action of radiation for diagnostic or therapeutic purposes.

  2. Medical treatment by exposure to radiation.

  3. The spread of a nervous impulse beyond the usual path of conduction.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature