Cleavage
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Cleavage in general refers to a division or separation of form. Its usage is heavily dependent on cultural context, where it may refer to:
- Cleavage (breasts), partial exposure of the separation between a woman's breasts.
- Cleavage (buttocks), partial exposure of buttock cheeks, particularly when visible because of low trousers.
- Cleavage (embryo), in embryology, is the division of cells in the early embryo.
- Cleavage (crystal), in mineralogy and materials science, is a process of splitting a single crystal.
- Cleavage (fiber), in optical fibers.
- Bond cleavage, in chemistry, is the breaking of a chemical bond in a chemical reaction.
- Teeth cleavage, or Tooth cleavage, slang, is the gap between a persons two front teeth.
- Political cleavage, or the ethnic, cultural, racial, economic and/or social identities along which a society can be politically divided.