slide rule
noun
a device for performing mathematical calculations, consisting essentially of a ruler having a sliding piece moving along it, both marked with graduated, usually logarithmic, scales: now largely replaced by the electronic calculator.
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Origin of slide rule
1655–65 for earlier sense; 1875–80 for current sense
Words nearby slide rule
Slidell, Slide Mountain, slide over, slider, slide rest, slide rule, slideshow, slide trombone, slide valve, slideway, sliding
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for slide rule
British Dictionary definitions for slide rule
slide rule
noun obsolete
a mechanical calculating device consisting of two strips, one sliding along a central groove in the other, each strip graduated in two or more logarithmic scales of numbers, trigonometric functions, etc. It employs the same principles as logarithm tables
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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