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slide rule

SEE MORE SYNONYMS FOR slide rule ON THESAURUS.COM

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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RELATED WORDS

yardstick, rule, measure, straightedge, T-square

Nearby words

  1. slide guitar,
  2. slide knot,
  3. slide mountain,
  4. slide over,
  5. slide rest,
  6. slide show,
  7. slide trombone,
  8. slide valve,
  9. slide-action,
  10. slide-rule

Origin of slide rule

1655–65 for earlier sense; 1875–80 for current sense
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012