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limaçon
limaçon (ˈlɪməˌsɒn) n (Mathematics) a heart-shaped curve generated by a point lying on a line at a fixed distance from the intersection of the line with a fixed circle, the line rotating about a point on the circumference of the circle[French, literally: snail (so named by Pascal)]lim•a•çon (ˈlɪm əˌsɒn)
n. a plane curve generated by the locus of a point on a line at a fixed distance from the point of intersection of the line with a fixed circle, as the line revolves about a point on the circumference of the circle. Equation: r = a cosθ + b. [1575–85; < French: literally, snail, Old French, derivative of limaz < Latin līmācem, acc. of līmāx snail, slug] limaçon
limaçon[′lim·ə‚sän or ‚lim·ə′sōn] (mathematics) The locus of points of the plane which in polar coordinates (r,θ) satisfy the equation r = a cos θ + b. Also known as Pascal's limacon. |