|
Definition of Tangent plane
1. Noun. The plane that contains all the lines tangent to a specific point on a surface.
Definition of Tangent plane
1. Noun. (context: differential geometry) Given a point ''P'' on a surface ''M'', the tangent plane of ''M'' at point ''P'', denoted by ''TP(M)'', is the plane passing through P which contains the tangent lines of all the curves on ''M'' passing through ''P''. ¹
¹ Source: wiktionary.com