tangent plane

Noun

 * 1)  The plane passing through a given point which contains the tangent lines of all the curves on a surface passing through that same point.

Translations

 * Dutch:
 * Finnish: tangenttitaso
 * French: plan tangent
 * German: Tangentialebene
 * Hungarian: érintő sík
 * Italian: piano tangente
 * Polish: płaszczyzna styczna
 * Russian:
 * Spanish: plano tangente