Definition of patulin in US English:

patulin

noun

Biochemistry
  • A heterocyclic antibiotic compound, C₇H₆O₄, which has carcinogenic properties and is obtained from any of several moulds (originally from Penicillium patulum).

Origin

1940s. From scientific Latin patulum, specific epithet of Penicillium patulum + -in (compare quot. 1943.

Pronunciation

patulin

/ˈpatjʊlɪn/