A-RNA

noun

A configuration of RNA, right-hand twisting double helix, that forms the default configuration of double-stranded RNA.

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Meanings

nounA-RNA (countable and uncountable, plural A-RNAs)

plural A-RNAs

  1. uncountableA configuration of RNA, right-hand twisting double helix, that forms the default configuration of double-stranded RNA.
  2. countableAn RNA helix in such a configuration.

Origin

From A + RNA. Blend of A-DNA + RNA. From being an RNA analogue of the previously discovered A-DNA.

Full word history & related roots →
Cite this entry
APA

A-RNA. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/A-RNA

MLA

“A-RNA.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/A-RNA. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “A-RNA,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/A-RNA.

Source: A-RNA on Wiktionary, CC BY-SA 4.0.