1. A drug or substance that produces psychologic and behavioral changes resembling those of psychosis; e.g., LSD. 2. Denoting such a drug or substance. SYN: psychosomimetic. [psychosis + G. mimetikos, imitative]
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psy·choto·mi·met·ic sī-.kät-ō-mə-'met-ik, -mī- adj of, relating to, involving, or inducing psychotic alteration of behavior and personality <\psychotomimetic drugs>
psy·choto·mi·met·i·cal·ly -i-k(ə-)lē adv
psychotomimetic n a psychotomimetic agent (as a drug)
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psy·chot·o·mi·met·ic (si-kot″o-mĭ-metґik) [psychosis + -mimetic] 1. pertaining to, characterized by, or producing manifestations like those of a psychosis, such as visual hallucinations, distortion of perception, and schizophrenia-like behavior. 2. a drug or other agent that has such effects; called also psychotogenic.Medical dictionary. 2011.