sensitiser

listen to the pronunciation of sensitiser
Englisch - Türkisch
duyarlayici
Englisch - Englisch
{i} substance (apart from a catalyst) that accelerates the start of a catalytic reaction; allergen that causes atopic dermatitis on the second exposure following the initial sensitizing exposure (also sensitizer)
(chemistry) a substance other than a catalyst that facilitates the start of a catalytic reaction