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| cleav·age [ klvij ] (plural cleav·ages) |
noun |
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| Definition: |
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1. crease visible between breasts: the hollow visible between a woman's breasts when a low-cut garment is worn
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2. split in something: a split, division, or separation of something
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3. act of splitting: division or splitting
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4. geology minerals rock or mineral fracture: the splitting of minerals or rocks along natural planes of weakness determined by their internal crystal lattice. The angle of cleavage is one of the features used to identify minerals.
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5. embryology repeated division of fertilized egg: the repeated division of a fertilized ovum zygote before formation of the early embryo blastula. The zygote does not increase in size during this process because the cells become progressively smaller after each division.
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6. chemistry splitting of molecule: the splitting of a molecule into simpler molecules through the breaking of a chemical bond
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