noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A small organelle found in all cells; involved in the production of proteins by translating messenger RNA.
2. 2
   an organelle in the cytoplasm of a living cell; they attach to mRNA and move down it one codon at a time and then stop until tRNA brings the required amino acid; when it reaches a stop codon it falls apart and releases the completed protein molecule for use by the cell wordnet

Synonyms

All synonyms

ciliaflagellumrrnavacuole

Etymology

From ribo- + -some.

Related phrases

messenger rna

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