Dictionary.com

irradiation

[ ih-rey-dee-ey-shuhn ]
/ ɪˌreɪ diˈeɪ ʃən /
Save This Word!

noun
QUIZ
QUIZ YOURSELF ON "IS" VS. "ARE"
"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."
Question 1 of 7
IS and ARE are both forms of which verb?

Origin of irradiation

First recorded in 1580–90, irradiation is from the Late Latin word irradiātiōn- (stem of irradiātiō). See ir-1, radiation

OTHER WORDS FROM irradiation

post·ir·ra·di·a·tion, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use irradiation in a sentence

British Dictionary definitions for irradiation

irradiation
/ (ɪˌreɪdɪˈeɪʃən) /

noun
the act or process of irradiating or the state of being irradiated
the apparent enlargement of a brightly lit object when it is viewed against a dark background
a shaft of light; beam or ray
med
  1. the therapeutic or diagnostic use of radiation, esp X-rays
  2. exposure of a patient to such radiation
another name for radiation, irradiance
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

Medical definitions for irradiation

irradiation
[ ĭ-rā′dē-āshən ]

n.
Exposure or subjection to the action of radiation for diagnostic or therapeutic purposes.
Medical treatment by exposure to radiation.
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.
FEEDBACK