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The Collaborative International Dictionary
Incontaminate

Incontaminate \In`con*tam"i*nate\, a. [L. incontaminatus. See In- not, and not, and Contaminate.] Not contaminated; pure.
--Moore. -- In`con*tam"i*nate*ness, n.

Wiktionary
incontaminate

a. (context archaic English) Not contaminated; pure.