cissoid (English, noun)
expansion: cissoid (plural cissoids)
Senses:
topics: geometry
mathematics
sciences
glosses: Any of a family of curves defined as the locus of a point, P, on a line from a given fixed point and intersecting two given curves, C₁ and C₂, where the distance along the line from C₁ to P remains constant and equal to the distance from P to C₂.
Forms:
form: cissoids
tags: plural