right_angle
1. [ noun ] (mathematics,geometry) the 90 degree angle between two perpendicular lines
Related terms: oblique_angle angle
2. [ noun ] a quarter of the circumference of a circle
Synonyms: quadrant
Related terms: line angular_unit straight_angle degree oxtant grad
Similar spelling:   right-angled
  right_wing
  right_on
  rightness
  right-winger
  right_hander
  right-wing
  right_hand
  righthander
  rightmost
  right-hander
  right-handed