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con•tam•i•nate

Pronunciation: (
—v.kun-tam'u-nāt";
—n., adj.kun-tam'u-nit, -nāt"), [key]
—v., -nat•ed, -nat•ing,
—n., adj.

—v.t.
1. to make impure or unsuitable by contact or mixture with something unclean, bad, etc.: to contaminate a lake with sewage.
2. to render harmful or unusable by adding radioactive material to: to contaminate a laboratory.

—n.
something that contaminates or carries contamination; contaminant.

—adj.
Obs.contaminated.

contaminant

contamination

See also:

contaminate (Thesaurus)

Dictionary

con•tam•i•nate

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