noun
Etymology: round (II)
: the plane angle swept through by a half line in turning positively in a plane about its extremity as a center until it returns to its original position
a round angle is 360 degrees
— compare right angle , straight angle
noun
Etymology: round (II)
: the plane angle swept through by a half line in turning positively in a plane about its extremity as a center until it returns to its original position
a round angle is 360 degrees
— compare right angle , straight angle
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012