his‧ta‧mine /ˈhɪstəmiːn/
noun [uncountable and countable] medical[
Date: 1900-2000;
Origin: histidine 'type of amino acid' (19-21 centuries) (from Greek histos 'web, tissue') + amine 'type of chemical compound' (19-21 centuries) (from ammonia)]
a chemical substance produced by your body during an
allergic reaction ⇒
antihistamine [TahlilGaran] Dictionary of Contemporary English ▲