Contamination
Part of speech: noun
Definition: The act or process of contaminating; pollution; defilement; taint; also, that which contaminates. A grammatical blend, portmanteau. 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.
Example sentence: I know that speaking with parties, which I do, but not very often, is seen by many as a 'contamination.'
Contaminant
Part of speech: noun
Definition: That which contaminates; an impurity; foreign matter.