antihistamine
1antihistamine — (n.) 1933, from ANTI (Cf. anti ) + HISTAMINE (Cf. histamine) …
2antihistamine — ► NOUN ▪ a drug that counteracts the effects of histamine, used in treating allergies …
3antihistamine — [an΄tī his′tə mēn΄; an΄tēhis′tə mən, an΄tihis′tə mēn; an΄tī his′təmin΄, an΄tē his′təmin΄, an΄ti his′təmin΄] n. any of several synthetic drugs used to minimize or prevent the action of histamine, as in an allergic condition antihistaminic… …
4antihistamine — an·ti·his·ta·mine .ant i his tə .mēn, .an .tī , mən adj tending to block or counteract the physiological action of histamine <human blood lacks antihistamine activity> antihistamine n any of various compounds that oppose the actions of… …
5antihistamine — UK [ˌæntɪˈhɪstəmiːn] / US [ˌæntɪˈhɪstəˌmɪn] noun [countable/uncountable] Word forms antihistamine : singular antihistamine plural antihistamines medical a drug used to treat an allergy (= a bad reaction to something you swallow or touch) …
6antihistamine — noun Date: 1946 any of various compounds that counteract histamine in the body and that are used for treating allergic reactions (as hay fever) and cold symptoms • antihistamine adjective • antihistaminic adjective or noun …
7antihistamine — [[t]æ̱ntihɪ̱stəmɪn[/t]] antihistamines also anti histamine N COUNT An antihistamine is a drug that is used to treat allergies …
8antihistamine — An exogenous agent that inhibits the release of histamine, the amino acid derivative that stimulates vasodilation and permeability under many circumstances, particularly tissue irritation. The most common type of antihistamine, the H1 receptor …
9antihistamine — /an ti his teuh meen , min/, n. Biochem., Pharm. any of certain compounds or medicines that neutralize or inhibit the effect of histamine in the body, used chiefly in the treatment of allergic disorders and colds. [1930 35; ANTI + HISTAMINE] * *… …
10antihistamine — noun A drug or substance that counteracts the effects of a histamine. Commonly used to alleviate the symptoms of hay fever and other allergies …