English word antihistamine comes from English anti-, English histamine
Dictionary entry | Language | Definition |
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anti- | English (eng) | (immunology) That reacts with immunoglobins found in the specified animal.. Against, hostile to.. Contrasting with the norm.. Counteracting, neutralizing.. Opposite of, reverse.. Physically opposite: applied to mountain ranges.. Related to antiparticles. |
histamine | English (eng) | (neurotransmitter) An amine, C5H9N3, formed by decarboxylation of histidine, that causes dilatation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion; it is released during allergic reactions. |
antihistamine | English (eng) | (pharmaceutical drug) A drug or substance that counteracts the effects of a histamine. Commonly used to alleviate the symptoms of hay fever and other allergies. |