[], (Noun)

Definitions:
- A small spherical or elliptical structure found in the chloroplasts of many algae and hornworts, associated with carbon fixation and starch deposition.


Phrases:

Origin:
mid 19th century (in an earlier sense). From post-classical Latin pyrenoides from Hellenistic Greek πυρηνοειδής shaped like a fruit-stone from ancient Greek πυρήν fruit-stone + -οειδής