psy·chot·o·mi·met·ic  (sī-kŏt'ō-mə-mět'ĭk, -mī-)  adj. Tending to induce hallucinations, delusions, or other symptoms of a psychosis. Used of a drug. n. A psychotomimetic drug, such as LSD. [Alteration of psychosomimetic (influenced by psychotic) : psychos(is) + mimetic.] psy·chot'o·mi·met'i·cal·ly adv. |