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Meaning of crenation

cre•na•tion

Pronunciation: (kri-nā'shun), [key]
— n.
  1. a rounded projection or tooth, as on the margin of a leaf.
  2. (in erythrocytes) the state of being or becoming shrunken with a notched or indented edge.
  3. a notch between teeth.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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