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slide rule
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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.
QUIZ
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
âWasâ is used for the indicative past tense of âto be,â and âwereâ is only used for the subjunctive past tense.
Origin of slide rule
1655â65 for earlier sense; 1875â80 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. 2022
How to use slide rule in a sentence
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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