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Definition of Protractor
1. Noun. Drafting instrument used to draw or measure angles.
Definition of Protractor
1. n. One who, or that which, protracts, or causes protraction.
Definition of Protractor
1. Noun. A circular or semicircular tool for drawing or measuring angles. ¹
¹ Source: wiktionary.com
Definition of Protractor
1. [n -S]
Lexicographical Neighbors of Protractor
Literary usage of Protractor
Below you will find example usage of this term as found in modern and/or classical literature:
1. Plane Surveying: A Text-book and Pocket Manual by John Clayton Tracy (1907)
"(1) By the protractor. (2) By the tangent of the angle. (3) By the cosine and
sine of the angle. (4) By the chord of the angle. ..."
2. A Treatise on Mine-surveying by Bennett H. Brough (1889)
"Plotting with a protractor.—A semicircular protractor may be used to lay ...
To lay off an angle at any point of a straight line, the protractor must be ..."
3. Treatise on Mine-surveying by Bennett Hooper Brough (1906)
"Plotting with a protractor.—A semicircular protractor may be used to lay ...
To lay off an angle at any point of a straight line, the protractor must be ..."
4. Proceedings of the United States Naval Institute by United States Naval Institute (1902)
"The protractor consists of three concentric rings, each of which has movement in
... The instrument is a skeleton three-arm protractor, or station pointer, ..."
5. Treatise on the Principal Mathematical Instruments Employed in Surveying by Frederick Walter Simms (1834)
"We have remarked, that the plotting must be performed within the circle forming
the protractor, which direction is to be understood as applicable only when ..."
Other Resources:
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