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psilocybin

Syllabification: (psil·o·cy·bin)
Pronunciation: /ˌsīləˈsībin/
Definition of psilocybin

noun

Chemistry
  • a hallucinogenic alkaloid, found in some toadstools.

Origin:

1950s: from modern Latin Psilocybe (genus name), from Greek psilos 'bald' + kubē 'head'

psilocybin in other Oxford dictionaries

Definition of psilocybin in the British & World English dictionary

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