cleavage

  1. Noun.  The act of cleaving or the state of being cleft. (defdate, from 19th c.) .
  2. Noun.  (mineralogy) The tendency of a crystal to split along specific planes. (defdate, from 19th c.) .
  3. Noun.  (biology) The repeated division of a cell into daughter cells after mitosis. (defdate, from 19th c.) .
  4. Noun.  The hollow or separation between a woman's breasts, especially as revealed by a low neckline. (defdate, from 20th c.) .
  5. Noun.  (chemistry) The splitting of a large molecule into smaller ones.

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This entry was last updated on RefTopia from its source on 3/20/2012.