Definition of pyrrolizidine in English:

pyrrolizidine

noun

Chemistry
  • A colourless basic liquid which has a molecule consisting of two fused pyrrolidine rings sharing a carbon and a nitrogen atom.

Origin

1930s; earliest use found in Chemical Abstracts. From German Pyrrolizidin from Pyrrolidin with inserted -iz (representing azo-), after Chinolizin.

Pronunciation

pyrrolizidine

/ˌpɪrɒˈlɪzɪdiːn/