Bot. a small structure within a chloroplast, as in some algae, functioning as a center for starch production
Origin of pyrenoidfrom Classical Greek pyr?n (gen. pyr?nos), pyrene + -oid
A proteinaceous structure found within the chloroplast of certain algae and hornwort bryophytes. It is thought to be a site where carbon is concentrated.
Origin of pyrenoidNew Latin pérēna fruit stone ; see pyrene 1. -oid
From pyrene +"Ž -oid.