组胺 zǔ'àn histamine Definitions Defs Origin Strokes Stroke Words Sentences Sents 抗组胺剂 kàngzǔ'ànjì antihistamine a drug or other compound that inhibits the effects of histamine in the body; antihistamine抗组胺药 kàngzǔ'ànyào antihistamine antihistamine; any medication used to treat allergic reactions by blocking histamine receptors