Meanings
nounRNA world (plural RNA worlds)
plural RNA worlds
- biologyA hypothetical precursor to life on Earth in which RNA acted both as an information-storage molecule and as a catalyst
Cite this entry
APA
RNA world. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/RNA%20world
MLA
“RNA world.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/RNA%20world. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “RNA world,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/RNA%20world.
Source: RNA world on Wiktionary, CC BY-SA 4.0.