Contamination
WordNet

noun


(1)   The act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors
(2)   The state of being contaminated
(3)   A substance that contaminates
WiktionaryText

Noun



  1. The act or process of contaminating; pollution; defilement; taint; also, that which contaminates.
  2. A grammatical blend, portmanteau.
  3. The process of making a material or surface unclean or unsuited for its intended purpose, usually by the addition or attachment of undesirable foreign substances.
 
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