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
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Recent Examples of slide rule from the Web
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Interference for the purpose of breaking up a double play (force play slide rule): Runners sliding into the base and deviating from their slide path to force fielders to make difficult throws to complete double plays.
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Through the morning and early afternoon, wielding his slide rule, Fermi slowly took the pile critical, with a characteristically Fermian break for lunch.
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Maddon was ejected in Game 1 at Dodger Stadium after a call at home plate was overturned because of the slide rule.
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Hayward craves distraction and Smeathers engages all his debates, whether the subject is the NFL slide rule or a compound math problem.
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When pocket calculators were developed in the early 1970s, their slide rule business got crushed by Texas Instruments and Hewlett Packard.
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Like tossing a slide rule, aggressive substitution should just happen.
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Long was the quarterback at New Mexico from 1969-71, more than a decade before the slide rule that protects quarterbacks found its way into football.
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The company started in 1761 when Kaspar Faber, a German cabinet maker by trade, decided to get into making slide rules.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'slide rule.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of slide rule
1663
SLIDE RULE Defined for English Language Learners
slide rule
Definition of slide rule for English Language Learners
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: 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
Learn More about slide rule
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Britannica.com: Encyclopedia article about slide rule
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