noun \pī-ˈrē-ˌnid, ˈpī-rə-\

Definition of PYRENOID

:  a protein body in the chloroplasts of algae and hornworts that is involved in carbon fixation and starch formation and storage

Origin of PYRENOID

International Scientific Vocabulary, from New Latin pyrena stone of a fruit, from Greek pyrēn; akin to Greek pyros wheat grain, wheat — more at furze
First Known Use: circa 1875


Next Word in the Dictionary: pyrenolichen
Previous Word in the Dictionary: Pyrenochaeta
All Words Near: pyrenoid

Seen & Heard

What made you want to look up pyrenoid? Please tell us where you read or heard it (including the quote, if possible).