Definition of phallin in US English:

phallin

(also phalline)

noun

Chemistry
  • Originally: a haemolytic substance (later shown to be a mixture) extracted from the death cap toadstool, Amanita phalloides, and thought to be the poisonous principle of the toadstool. Later (more fully "phallin A", "phallin B", etc.): any of certain cyclic oligopeptides present in this mixture.

Origin

Late 19th century. From German Phallin from scientific Latin phall- + German -in.

Pronunciation

phallin

/ˈfalɪn/