noun
a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier
• Syn: ↑Napier's bones
• Usage Domain: ↑plural, ↑plural form
• Hypernyms: ↑calculator, ↑calculating machine
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noun pluralsee napier's bones
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Napier's bones or Napier's rods plural noun
An invention of Napier's for multiplying and dividing mechanically by means of rods
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Main Entry: ↑Napierian
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Napier's rods see under ↑Napierian
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Main Entry: ↑rod
Useful english dictionary. 2012.