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.

Origin of circular measure

First recorded in 1870–75

Words nearby circular measure

circular file, circular fold, circular function, circular knitting, circular light, circular measure, circular mil, circular pitch, circular polarization, circular saw, circular sinus

British Dictionary definitions for circular measure

circular measure

noun

the measurement of an angle in radians