(noun, adjective)


1. (geometry) Touching a curve at a single point but not crossing it at that point.

2. Of a topic, only loosely related to a main topic.


1. a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point

Definition categories: shape

2. ratio of the opposite to the adjacent side of a right-angled triangle

Similar word(s): tan

Definition categories: link

Sentences with tangent as a noun:

- I believe we went off onto a tangent when we started talking about monkeys on unicycles at his retirement party.