Definition of paeonin in US English:

paeonin

(also peonin)

noun

Biochemistry
  • A bright red anthocyanin pigment occurring in the petals of red peonies and in certain other plants.

Origin

Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From classical Latin paeōnia peony + -in, after French péonine.

Pronunciation

paeonin

/ˈpiːənɪn/