Conchoid can refer to:
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Conchoid (mathematics)
In geometry, a conchoid is a curve derived from a fixed point , another curve, and a length . It was invented by the ancient Greek mathematician Nicomedes.
Description
For every line through that intersects the given curve at the two points o ...
, an equation of a curve discovered by the mathematician Nicomedes
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Conchoidal fracture
Conchoidal fracture describes the way that brittle materials break or fracture when they do not follow any natural planes of separation. Mindat.org defines conchoidal fracture as follows: "a fracture with smooth, curved surfaces, typically sli ...
, a breakage pattern characteristic to certain glasses and crystals
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