Look up cleavage in Wiktionary, the free dictionary.

Cleavage in general refers to a division or separation of form. Its usage is heavily dependent on cultural context, where it may refer to:

• Partial exposure of part of the body:
  • Cleavage (breasts), partial exposure of the separation between a woman's breasts.
    • Cleavage enhancement, methods of making a person's breast cleavage look better than it really is.
  • Buttock cleavage
  • Toe cleavage
• Cleavage (crystal), in mineralogy and materials science, is a process of splitting a single crystal.
• Cleavage (geology), Foliation perpendicular to stress as a result of ductile deformation. e.g. shales (shists)
• Cleavage (embryo), in embryology, is the division of cells in the early embryo.
• Cleavage (fiber), in optical fibers.
• Teeth cleavage or tooth cleavage, slang for Diastema (dentistry), the gap between a person's two front teeth.
• In cell biology, the Cleavage furrow is the indentation that begins the process of cleavage, by which animal cells undergo cytokinesis.
• Bond cleavage in chemistry and biochemistry
• Cleavage (politics) The divisions of society that cause people to vote differently

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