Definition of protochlorophyll in English:

protochlorophyll

noun

Biochemistry
  • A naturally occurring photoactive precursor of chlorophyll.

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From German Protochlorophyll from proto- + Chlorophyll.

Pronunciation

protochlorophyll

/ˌprəʊtə(ʊ)ˈklɒrəfɪl/