# nucleolus

> English word · Noun

## Definitions
1. A conspicuous, rounded body within the nucleus of a cell.

## Etymology
From nucle(us) + Latin -olus.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/nucleolus