Nucleolus
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A conspicuous, rounded body within the nucleus of a cell.
- 2 a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis wordnet
Synonyms
All synonymsMore for "nucleolus"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.