Definition of phaeophytin in US English:

phaeophytin

(also pheophytin)

noun

Biochemistry
  • A brownish or grey-green compound formed by the degradation of chlorophyll (e.g. by weak acid or by enzymes), the magnesium atom being replaced by two hydrogen atoms; (more fully "phaeophytin a", "phaeophytin b") either of two forms of this, derived from chlorophyll a and chlorophyll b respectively.

Origin

Early 20th century; earliest use found in Journal of the Chemical Society. From German Phaeophytin from ancient Greek ϕαιός grey + ϕυτόν plant + German -in.

Pronunciation

phaeophytin

/ˌfiːə(ʊ)ˈfʌɪtɪn/