Napier's bones

noun
Na·​pi·​er's bones | \ ˈnā-pē-ərz- How to pronounce Napier's bones (audio) \

Definition of Napier's bones

: a set of graduated rods (as of wood or bone) invented by John Napier and used for multiplication and division based on the principles of logarithms

First Known Use of Napier's bones

1646, in the meaning defined above

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Time Traveler for Napier's bones

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The first known use of Napier's bones was in 1646

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Dictionary Entries Near Napier's bones

Napier's analogies

Napier's bones

Napier's circular parts

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Cite this Entry

“Napier's bones.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Napier%27s%20bones. Accessed 25 Jan. 2022.

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