limaçon

• limacon (without the cedilla)

From French limaçon, ultimately from Latin limax (“snail”).

limaçon (plural limaçons)

1. (geometry) A plane curve with polar equation ${\displaystyle \rho =a+b\,\sin \,\theta }$ or ${\displaystyle \rho =a+b\,\cos \,\theta }$, of which the cardioid is a special case.

• limaçon of Pascal

• Camolin, cominal, incalmo, malonic

From limace +‎ -on.

• IPA^(key): /li.ma.sɔ̃/

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limaçon m (plural limaçons)

1. snail
2. spiral staircase
3. (anatomy) cochlea

• (snail): escargot; (Louisiana, Cajun French) calimaçon

• “limaçon”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.