adj. 1. also called right-angled. possessing a right angle; for example, a right circular cone, as the figure below, has a right angle between the axis and any diameter of the base.
A right circular cone. 2. (of an operator in a non-commutative theory) acting on the right: I_r is a right identity if xI_r = x for all x; r_x is a right inverse of x if xr_x = I_r. Compare left.