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 adjectiveantihistaminic adjective or noun

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • antihistamine — (n.) 1933, from ANTI (Cf. anti ) + HISTAMINE (Cf. histamine) …   Etymology dictionary

  • antihistamine — ► NOUN ▪ a drug that counteracts the effects of histamine, used in treating allergies …   English terms dictionary

  • antihistamine — [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… …   English World dictionary

  • antihistamine — 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… …   Medical dictionary

  • antihistamine — 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) …   English dictionary

  • antihistamine — [[t]æ̱ntihɪ̱stəmɪn[/t]] antihistamines also anti histamine N COUNT An antihistamine is a drug that is used to treat allergies …   English dictionary

  • antihistamine —    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 …   Herbal-medical glossary

  • antihistamine — /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] * *… …   Universalium

  • antihistamine — noun A drug or substance that counteracts the effects of a histamine. Commonly used to alleviate the symptoms of hay fever and other allergies …   Wiktionary

  • antihistamine — an|ti|his|ta|mine [ˌæntıˈhıstəmi:n, mın] n [U and C] a drug that is used to treat an ↑allergy (=an unpleasant reaction to particular foods, substances etc) …   Dictionary of contemporary English

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