Rna

//ɑː(ɹ)ɛn eɪ// noun

noun ·Moderate ·College level

Definitions

Noun

1
Initialism of ribonucleic acid. abbreviation, alt-of, countable, initialism, uncountable
"Looked at from RNA’s point of view, DNA is just a passive archive of information, a dull hunk of a telephone directory; it is RNA that looks up the numbers, establishes the connections and determines how long each call will last."
2
(biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell wordnet

Synonyms

ribonucleic acid allele allelomorph altmann theory anticodon biotype

Example

"There are many sentences about DNA, but none about RNA."

Related phrases

A-RNA RNA expression profile RNA interference Z-RNA messenger RNA ribosomal RNA small interfering RNA transfer RNA ribonucleic acid

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