RNA Definition

ärĕn-ā
noun
A nucleic acid that is an essential component of all cells, composed of a long, usually single-stranded chain of nucleotide units that contain the sugar ribose; ribonucleic acid.
Webster's New World
Synonyms:

Other Word Forms of RNA

Noun

Singular:
RNA
Plural:
rnas

Origin of RNA

  • r(ibo)n(ucleic) a(cid)

    From American Heritage Dictionary of the English Language, 5th Edition