crenation

noun cre·na·tion \ kri-ˈnā-shən \

Definition of crenation

1 a : a crenate formation; especially : one of the rounded projections on an edge (as of a coin)
b : the quality or state of being crenate
2 : shrinkage of red blood cells resulting in crenate margins

First Known Use of crenation

1846

in the meaning defined at sense 1a

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Medical Dictionary

crenation

noun cre·na·tion \ kri-ˈnā-shən \

medical Definition of crenation

: shrinkage of red blood cells resulting in crenated margins

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