Napier's bones love

Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n.pl. A set of graduated rods used to perform multiplication quickly.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A set of numbered rods used for multiplication and division (see the Wikipedia article for a fuller explanation).

from the GNU version of the Collaborative International Dictionary of English

  • A set of rods, made of bone or other material, each divided into nine spaces, and containing the numbers of a column of the multiplication table; -- a contrivance of Baron Napier, the inventor of logarithms, for facilitating the operations of multiplication and division.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

After John Napier.

Examples

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