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Cleavage may refer to:

  • Cleavage (breasts), partial exposure of the separation between a woman's breasts.
  • Buttock cleavage, minor exposure of the buttocks and the gluteal cleft between them
  • Toe cleavage, partial exposure of a woman's toes in shoes
  • 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
  • Cleavage (molecular biology), cutting of the 3' signaling region from a newly synthesized pre-messenger RNA (pre-mRNA) molecule in the process of gene transcription.