cleavage

Noun
  1. The state of being split or cleft (synset 113943045)
    "there was a cleavage between the liberal and conservative members"
  2. The breaking of a chemical bond in a molecule resulting in smaller molecules (synset 113470492)
  3. (embryology) the repeated division of a fertilised ovum (synset 113470329)
  4. The line formed by a groove between two parts (especially the separation between a woman's breasts) (synset 105561530)
  5. The act of cleaving or splitting (synset 100387153)

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