con·tam·i·nate vt \kən-ˈtam-ə-ˌnāt\
: to soil, stain, or infect by contact or association <bacteria contaminated the wound>
: to make inferior or impure by admixture <air contaminated by sulfur dioxide>
—con·tam·i·na·tive \-ˌnāt-iv\ adjective
—con·tam·i·na·tor \-ˌnāt-ər\ noun
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