pyrenoid
[ pahy-ree-noid, pahy-ruh-noid ]
/ paɪˈri nɔɪd, ˈpaɪ rəˌnɔɪd /
|
noun
a spherical protein structure found within chloroplasts of certain algae and hornworts.
Nearby words
- pyrene,
- pyrenean,
- pyrenean mountain dog,
- pyrenees,
- pyrenocarp,
- pyrethrin,
- pyrethroid,
- pyrethrum,
- pyretic,
- pyreto-
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for pyrenoid
A pyrenoid lies in a fold of the chromatophore on the dorsal part.
The Diatomaceae of Philadelphia and Vicinity|Charles Sumner BoyerThe pyrenoid is evidently concerned in the formation of the chromatophore, or in its division.
The Diatomaceae of Philadelphia and Vicinity|Charles Sumner BoyerSchmitz states that the chromatophore is thickened in the middle and contains a pyrenoid.
The Diatomaceae of Philadelphia and Vicinity|Charles Sumner Boyer
pyrenoid
/ (ˈpaɪrəˌnɔɪd) /
noun
any of various small protein granules that occur in certain algae, mosses, and protozoans and are involved in the synthesis of starch
Word Origin for pyrenoid
C19: from pyrene ² + -oid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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