Napier's bones

noun Na·pi·er's bones \ˈnā-pē-ərz-\

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

circa 1658


Next Word in the Dictionary: Napier's circular partsPrevious Word in the Dictionary: Napier's analogiesAll Words Near: Napier's bones
May 29, 2015
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