Meanings
nounNapier's rods pl (plural only)
- pluralplural onlyarithmeticNapier's bones
Synonyms & antonyms
nouna set of graduated rods formerly used to do multiplication and division by a method invented by John Napier
Similar
Broader
calculatorcalculating machine
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
Napier's rods. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Napier's%20rods
MLA
“Napier's rods.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Napier's%20rods. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Napier's rods,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Napier's%20rods.
Source: Napier's rods on Wiktionary, CC BY-SA 4.0.