protractor

noun
pro·​trac·​tor | \ prō-ˈtrak-tər How to pronounce protractor (audio) , prə- \

Definition of protractor

1a : one that protracts
b : a muscle that extends a part
2 : an instrument for laying down and measuring angles in drawing and plotting

Examples of protractor in a Sentence

Recent Examples on the Web But apologies, forgiveness, and reconciliation are not points on a protractor. cleveland, 10 May 2022 But apologies, forgiveness, and reconciliation are not points on a protractor. Amy Dickinson, oregonlive, 10 May 2022 Guns lay on the coffee table, beside a protractor and a jar of beet juice. Rachel Swan, San Francisco Chronicle, 11 Aug. 2021 The defense trumpeted this revelation, but the D.A. called it flawed and stuck by the original protractor-and-eyeball results. Los Angeles Times, 29 June 2021 The fixture's arm is clipped to some nearby object to anchor the protractor dial, which must be returned to zero after the initial torque is applied. Popular Mechanics Editors, Popular Mechanics, 21 May 2021 The fixture's arm is clipped to some nearby object to anchor the protractor dial, which must be returned to zero after the initial torque is applied. Popular Mechanics Editors, Popular Mechanics, 21 May 2021 The fixture's arm is clipped to some nearby object to anchor the protractor dial, which must be returned to zero after the initial torque is applied. Popular Mechanics Editors, Popular Mechanics, 21 May 2021 The fixture's arm is clipped to some nearby object to anchor the protractor dial, which must be returned to zero after the initial torque is applied. Popular Mechanics Editors, Popular Mechanics, 21 May 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'protractor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of protractor

circa 1611, in the meaning defined at sense 1a

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Time Traveler for protractor

Time Traveler

The first known use of protractor was circa 1611

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Dictionary Entries Near protractor

protraction

protractor

Protremata

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Statistics for protractor

Last Updated

22 May 2022

Cite this Entry

“Protractor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/protractor. Accessed 29 Jun. 2022.

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More Definitions for protractor

protractor

noun
pro·​trac·​tor | \ prō-ˈtrak-tər How to pronounce protractor (audio) \

Kids Definition of protractor

: an instrument used for drawing and measuring angles

protractor

noun
pro·​trac·​tor | \ -tər How to pronounce protractor (audio) \

Medical Definition of protractor

: a muscle that extends a part — compare retractor sense b

More from Merriam-Webster on protractor

Nglish: Translation of protractor for Spanish Speakers

Britannica.com: Encyclopedia article about protractor

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