- A tangent line curve, or surface; specifically, that portion of the straight line tangent to a curve that is between the point of tangency and a given line, the given line being, for example, the axis of abscissas, or a radius of a circle produced. See Trigonometrical function, under Function.
- Touching; touching at a single point
- meeting a curve or surface at a point and having at that point the same direction as the curve or surface; -- said of a straight line, curve, or surface; as, a line tangent to a curve; a curve tangent to a surface; tangent surfaces.

tangent in French is tangente, tangent

tangent in German is Tangente

tangent in Italian is toccante

tangent in Spanish is tangente

tangent in Swedish is perifer

tangent in German is Tangente

tangent in Italian is toccante

tangent in Spanish is tangente

tangent in Swedish is perifer

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