[kuh n-tam-uh-ney-shuh n]
- the act of contaminating, or of making something impure or unsuitable by contact with something unclean, bad, etc.
- the act of contaminating, or of rendering something harmful or unusable by the addition of radioactive material: the contamination of food following a nuclear attack.
- the state of being contaminated: The manufacturer recalled the product because of possible salmonella contamination.
- Rare. something that contaminates a place or substance, as by making it impure, unsuitable, harmful, or unusable; a contaminant.
- an alternation in a linguistic form due to the influence of a related form, as the replacement in English of earlier femelle with female through the influence of male.
- the process of forming blends.Compare blend(def 9).
Origin of contamination
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the act or process of contaminating or the state of being contaminated
- something that contaminates
- linguistics the process by which one word or phrase is altered because of mistaken associations with another word or phrase; for example, the substitution of irregardless for regardless by association with such words as irrespective
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
Word Origin and History for non-contamination
early 15c., from Latin contaminationem (nominative contaminatio), noun of action from past participle stem of contaminare (see contaminate). Figurative sense is from c.1620; specifically of radioactivity from 1913.
Online Etymology Dictionary, © 2010 Douglas Harper
- The act or process of rendering something harmful or unsuitable.
- The presence of extraneous, especially infectious, material that renders a substance or preparation impure or harmful.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.