Definitions for tangency-dʒən si
Random House Webster's College Dictionary
a line or plane that touches but does not intersect a curve or surface at a point so that it is closer to the curve or surface in the vicinity of the point than any other line or plane drawn through the point.
a fundamental trigonometric function that, in a right triangle, is expressed as the ratio of the side opposite an acute angle to the side adjacent to that angle.
Ref: Also called tan 1 2 .
(adj.)in immediate physical contact; touching; abutting.
touching at a single point, as a tangent in relation to a curve or surface. in contact along a single line or element, as a plane with a cylinder.
Category: Common Vocabulary
Ref: tangential (def. 3). 3
Idioms for tangent:
off on or at a tangent,digressing suddenly from one course of action or thought and turning to another.
Origin of tangent:
1585–90; < L tangent-, s. of tangēns, in phrase līnea tangēns touching line; see -ent
the state of being tangent; having contact at a single point or along a line without crossing
(electronics) a junction where things (as two electrical conductors) touch or are in physical contact
"they forget to solder the contacts"
state of being tangent
the quality or state of being tangent; a contact or touching