crenation

[kri-ney-shuh n]

noun

a rounded projection or tooth, as on the margin of a leaf.

Anatomy. (in erythrocytes) the state of being or becoming shrunken with a notched or indented edge.

a notch between teeth.

Origin of crenation

First recorded in 1840–50; crenate + -ion

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British Dictionary definitions for crenation

crenation

crenature (ˈkrɛnəˌtjʊə, ˈkriː-)

noun

any of the rounded teeth or the notches between them on a crenate structure

a crenate formation or condition

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

crenation in Medicine

crenation

[krĭ-nā′shən]

n.

The condition or state of being crenate.

A process resulting from osmosis in which red blood cells, in a hypertonic solution, shrink and acquire a scalloped surface.