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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.
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References in periodicals archive ?
interest: to wit, the contaminator and the concerned community.
I believe those of us in county government have an obligation to speak out publicly and hold Sterigenics, or any other future contaminator, accountable.
The whole discourse concerns the urgent need to stop the activity of this combine which acts as a contaminator for the environment in Tetovo.
The imaginary Kow is the superhero who battles the Dark Contaminator. In the filming process, Jamie has all kinds of crazy experiences to cope with such as exploding strawberries, rampaging toddlers and hostile football fans.
nanocomposite results in a decrease in cost but it increases the rate of contaminator degradation.
You are better off going to zero employees than having one who contaminates the rest, because the radiation emitted by one contaminator is limitless.
Such conflicting findings stymied scientists until two new studies carefully separated out the confounding effects of a contaminator: attention.