Results for: tangent
tangent /tndnt/ n. 1 a line, curve or surface that touches but does not intersect s.t.: The spokes of a wheel are tangents from the hub. 2 infrml. to go off on a tangent: to leave the main point, (syn.) to digress: Once he starts talking, he is likely to go off on a tangent. -n. tangency. 3 abbrev tan A basic ratio in trigonometry between the length of the side opposite to a given acute angle in a right triangle and the length of the side adjacent to the given angle: The tangent of 45 degrees.