e/Osculating curve

Information
has gloss	eng: In mathematics and geometry, an osculating curve is an extension of the concept of tangent. A tangent line to a curve is the straight line that shares the location and direction of the curve, while an osculating circle to the same curve shares the location, direction, and curvature.
lexicalization	eng: osculating curve
instance of	(noun) a line on a graph representing data curve

Media
media:img	Osculating circle.svg