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protractor
[ proh-trak-ter, pruh- ]
noun
- a person or thing that protracts.
- (in surveying, mathematics, etc.) an instrument having a graduated arc for plotting or measuring angles.
- Anatomy. a muscle that causes a part to protrude.
protractor
/ prəˈtræktə /
noun
- an instrument for measuring or drawing angles on paper, usually a flat semicircular transparent plastic sheet graduated in degrees
- a person or thing that protracts
- a surgical instrument for removing a bullet from the body
- anatomy a former term for extensor
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Word History and Origins
Origin of protractor1
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