noun, noun which may take the genitive case particle 'no'
tangent line; tangential line
Geometry term for a line that touches a curve at exactly one point without crossing it.
Please draw a tangent line to the circle.
Find the slope of the tangent line to the curve.
接点 is the point of tangency where the tangent line touches the curve.
common tangent
Standard kanji spelling for 'tangent line' in geometry.
Alternate kanji form; less common than 接線.
From 接 (contact, touch) + 線 (line), literally 'touching line'.