[kuh n-tak-tuh nt] /kənˈtæk tənt/
any substance that might induce an allergy by coming in with the skin or a mucous membrane.
contactant con·tac·tant (kən-tāk’tənt)
Any of a group of allergens that elicit manifestations of induced sensitivity by direct contact with the skin or mucosa.
noun 1. synthetic adhesive that is applied separately to the surfaces to be joined and is allowed to dry, with the surfaces then being brought into contact: often used to join veneers.
noun, Astronomy. 1. a binary system in which the envelopes of gas surrounding each star are in contact.
- Contact centre
noun 1. another name for call centre
- Contact cheilitis
contact cheilitis n. Inflammation of the lips resulting from contact with a specific allergen.