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circular measure
noun
- a measurement system for circles: 1 circle = 360 degrees (4 quadrants); 1 quadrant = 90 degrees; 1 degree = 60 minutes; 1 minute = 60 seconds.
circular measure
noun
- the measurement of an angle in radians
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Word History and Origins
Origin of circular measure1
First recorded in 1870–75
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Example Sentences
The radius of the sphere is assumed to be unity, and z and γ are expressed in circular measure.
From Project Gutenberg
Nauticus lays down—quite correctly—that the sine of an angle is less than its circular measure.
From Project Gutenberg
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