Definition of picrotoxinin in US English:

picrotoxinin

noun

Chemistry
  • A bitter, crystalline, sesquiterpene lactone, C₁₅H₁₆O₆, that is the toxic component of picrotoxin.

Origin

Late 19th century; earliest use found in John S. Billings (1838–1913). From picrotoxin + -in.

Pronunciation

picrotoxinin

/ˌpɪkrəʊˈtɒksɪnɪn/