double tangent

double tangent

[¦dəb·əl ′tan·jənt]
(mathematics)
A line which is tangent to a curve at two distinct noncoincident points. Also known as bitangent.
Two coincident tangents to branches of a curve at a given point, such as the tangents to a cusp.
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References in periodicals archive ?
Description: - GROMMET FOR FIBERLIGN DOUBLE TANGENT ASSEMBLY (SMALL CAVITY)
NEMA Box & Grommets
The "Line of Beauty" - a double tangent - is exemplified by furniture legs, the stockinged legs of dancing masters, the handles of teapots, the figure implied by outer garments, and the way men bow and women curtsy.
The Analysis of Beauty

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