psilocybin psilocin • psiloi · · · Info · Definitions · Synonyms · Characters · · psilocybin · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) a hallucinogenic compound obtained from a mushroom. Synonyms: psilocin. · · Noun Definition 1 Synonyms · · · psilocin · · Synonym 1 Characters · · b latin small letter b U+0062 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 y latin small letter y U+0079