noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A single-stranded, non-coding form of RNA, having only about 20-30 nucleotides, that has a number of functions including the regulation of gene expression

Synonyms

All synonyms

microribonucleic acidmilrna

Etymology

From micro- + RNA.

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