noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A kind of organelle found in vascular plants, formed when the chloroplast membrane forms pockets filled with tannin.

Synonyms

All synonyms

plastid

Etymology

By surface analysis, tanno- + -some.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.