单词 | limaçon |
释义 | limaçon /lim"euh son'/, n. Geom. 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 cos(t) + b. Also called Pascal's limaçon. [1575-85; < F: lit., snail, OF, deriv. of limaz < L limacem, acc. of limax snail, slug] |
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