Meanings
proper noun
- abbreviationinitialismgovernmentInitialism of Royal Naval Reserve.
- abbreviationinitialismgovernmentInitialism of Royal Newfoundland Regiment.
nounRNR (uncountable)
- uncountablebiochemistryribonucleotide reductase
Origin
Initialisms.
Full word history & related roots →Cite this entry
APA
RNR. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/RNR
MLA
“RNR.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/RNR. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “RNR,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/RNR.
Source: RNR on Wiktionary, CC BY-SA 4.0.