Entry 2 senses · 2 variants Webster, 1913 alexiteric /(ȧ*lĕks`ĭ*tĕr"ĭk)/ · a·lex·i·ter·ic · IPA a. n. 01 a. Resisting poison; obviating the effects of venom; alexipharmic. 1. Resisting poison; obviating the effects of venom; alexipharmic.(Med.) 02 n. A preservative against contagious and infectious diseases, and the effects of poison in general. 1. A preservative against contagious and infectious diseases, and the effects of poison in general.(Med.)