# limaçon

[ lim-uh-son ]

/ ˈlɪm əˌsɒn /

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noun Geometry.

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.

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Also called Pascal's limaçon.

## Origin of limaçon

1575–85; <French: literally, snail, Old French, derivative of limaz<Latin līmācem, accusative of līmāx snail, slug

## Words nearby limaçon

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

## How to use limaçon in a sentence

Up there, they suppose we have gone in the direction of the Limacon; but, below, they will see the contrary.

Cinq Mars, Complete|Alfred de Vigny

## British Dictionary definitions for limaçon

limaçon

/ (ˈlɪməˌsɒn) /

noun

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

## Word Origin for limaçon

French, literally: snail (so named by Pascal)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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