(rare) In a tangent or tangential manner, tangentially.

(geometry) Touching a curve at a single point but not crossing it at that point. / Of a topic, only loosely related to a main topic. / (rail transport, of track) Straight; not horizontally curved.

(differential geometry) A straight line touching a curve at a single point without crossing it there.

plural of tangent

Dated form of tangential.

(differential geometry) Given a point P on a surface M, the tangent plane of M at point P, denoted by T_P(M), is the plane passing through P which contains the tangent lines of all the curves on M passing through P.

(mathematics) a hyperbolic function that is written in symbol tanh and defined as the following:

(trigonometry) A statement about the relationship between the tangents of two angles of a triangle and the lengths of the opposing sides.

plural of hyperbolic tangent

(topology) A fiber bundle for which the base space is a differentiable manifold and each fiber over a point of that manifold is the tangent space of that point.