[ kuhn-tak-tuhnt ]
/ kənˈtæk tənt /
any substance that might induce an allergy by coming in contact with the skin or a mucous membrane.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for contactant
[ kən-tăk′tənt ]
Any of a group of allergens that elicit manifestations of induced sensitivity by direct contact with the skin or mucosa.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.