Conchoid
Encyclopedia
Conchoid can refer to:
- Conchoid curveConchoid (mathematics)A conchoid is a curve derived from a fixed point O, another curve, and a length d. For every line through O that intersects the given curve at A the two points on the line which are d from A are on the conchoid. The conchoid is, therefore, the cissoid of a circle with center O and the given curve...
, an equation discovered by the mathematician Nicomedes - Conchoidal fractureConchoidal fractureConchoidal fracture describes the way that brittle materials break when they do not follow any natural planes of separation. Materials that break in this way include flint and other fine-grained minerals, as well as most amorphous solids, such as obsidian and other types of glass.Conchoidal...
, a breakage pattern characteristic to certain glasses and crystals