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protractor

[ proh-trak-ter, pruh- ]

noun

  1. a person or thing that protracts.
  2. (in surveying, mathematics, etc.) an instrument having a graduated arc for plotting or measuring angles.
  3. Anatomy. a muscle that causes a part to protrude.


protractor

/ prəˈtræktə /

noun

  1. an instrument for measuring or drawing angles on paper, usually a flat semicircular transparent plastic sheet graduated in degrees
  2. a person or thing that protracts
  3. a surgical instrument for removing a bullet from the body
  4. anatomy a former term for extensor
“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
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Word History and Origins

Origin of protractor1

From Medieval Latin, dating back to 1605–15; protract, -tor
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Example Sentences

The head coach gets a warning, I mean that normally - I don’t know, I didn’t have a protractor out there.

After writing what he knew was the wrong answer to the first geometry problem, Neel put his pencil and protractor down and rested his head on his arms.

I learned the ritual that very first summer with my firstborn, when the August air was still heavy but the Target was suddenly full of pens and protractors.

From Salon

But apologies, forgiveness, and reconciliation are not points on a protractor.

No one to talk to other than “Would you pass me that charcoal pencil?” in art class or “Are you done with the protractor?” in math.

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proˈtractionprotriptyline

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