a measurement system for circles: 1 circle = 360 degrees (4 quadrants); 1 quadrant = 90 degrees; 1 degree = 60 minutes; 1 minute = 60 seconds.
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How to use circular measure in a sentence
The radius of the sphere is assumed to be unity, and z and γ are expressed in circular measure.
Nauticus lays down—quite correctly—that the sine of an angle is less than its circular measure.A Budget of Paradoxes, Volume II (of II) | Augustus de Morgan
British Dictionary definitions for circular measure
the measurement of an angle in radians
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