plastoquinone: Meaning and Definition of

plas•to•qui•none

Pronunciation: (plas"tō-kwu-nōn', -kwin'ōn), [key]
— n. Biochem.
  1. a quinone that occurs in the chloroplasts of plants and functions as an electron carrier during photosynthesis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.