# Definitions and Synonyms of *tangent* | Another word for *tangent* | What is *tangent? *

*Definition 1: ratio of the opposite to the adjacent side of a right-angled triangle - [noun denoting linkdef]*

*Synonyms for tangent in the sense of this definition*

*(**tangent* is a kind of ...) function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle

*tangent*is a kind of ...) function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle

*Definition 2: a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point - [noun denoting shape]*

*(**tangent* is a kind of ...) a line traced by a point traveling in a constant direction; a line of zero curvature

*tangent*is a kind of ...) a line traced by a point traveling in a constant direction; a line of zero curvature

*"the shortest distance between two points is a straight line"*

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