right angle | |
—n | |
1. | the angle between two radii of a circle that cut off on the circumference an arc equal in length to one quarter of the circumference; an angle of 90° or π/2 radians |
2. | at right angles perpendicular or perpendicularly |
Related: orthogonal | |
'right-angled | |
—adj |
right angle (rīt) Pronunciation Key
An angle having a measure of 90°. |
An angle measuring ninety degrees, formed by the intersection of two perpendicular lines. (Compare acute angle and obtuse angle.)