slide rule

slide rule


: an old-fashioned instrument that is like a ruler with a middle piece that slides back and forth and that is used to do calculations

Full Definition of SLIDE RULE

:  a manual device used for calculation that consists in its simple form of a ruler and a movable middle piece which are graduated with similar logarithmic scales

First Known Use of SLIDE RULE



Next Word in the Dictionary: slides
Previous Word in the Dictionary: slide–rock
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