Also found in: Thesaurus, Medical, Idioms, Encyclopedia.


tr.v. con·tam·i·nat·ed, con·tam·i·nat·ing, con·tam·i·nates
1. To make impure or unclean by contact or mixture.
2. To expose to or permeate with radioactivity.
3. Linguistics To influence the semantic properties or phonological form of (a word or phrase); blend with: The Middle English word femelle was contaminated by the word male, resulting in the modern form female.
n. (-nĭt)
One that contaminates; a contaminant.

[Middle English contaminaten, from Latin contāmināre, contāmināt-; see tag- in Indo-European roots.]

con·tam′i·na′tive adj.
con·tam′i·na′tor n.
Synonyms: contaminate, befoul, foul, poison, pollute, taint
These verbs mean to make dirty or impure: Pesticides contaminated the lake. Mud befouled his shoes. Noxious fumes foul the air. Farm runoff poisoned the fish. Exhaust polluted the air. Improper storage tainted the food.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.contaminative - making impure by contact or mixing
infected, septic - containing or resulting from disease-causing organisms; "a septic sore throat"; "a septic environment"; "septic sewage"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Dialogic relations, on the other hand, are contaminative relationships between individuals, discourses, and material objects that nonetheless maintains differences.
Meanwhile, more than 50% E1 removal rate could be obtained by using the modified ternary copolymer PADA3 on the pH range of 4-11, which indicated that the PADA3 had a wide application in the process of practical EDCs contaminative water treatment.
During this phase, in response to pathogen-associated modifying patterns (PAMPs) in a contaminative circumstance or damage-associated modifying patterns (DAMPs) in a sterile circumstance, macrophages are classically activated and express the M1 phenotype [43-45].
The aforementioned incidents resonate with the notion that living with people who committed different violations can be "contaminative." (33) Goffman explains that "contaminative exposure" happens when inmates are forced to form relationships with people they may not like.
It is clearly acknowledged that the inferior fluid loss control cement slurry may be responsible for primary cementing failure due to the excessive density increase or annulus bridging, and the formation invasion by the filtrate of cement slurry may be contaminative to the reservoir.
PE and [CS.sub.2] were of analytical purity and distilled at their boiling points under atmospheric pressure with a Buchi R-134 rotary evaporator to avoid contaminative impurities.
denote the original component and the contaminative component, respectively.