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crenation

[kri-ney-shuh n] /krɪˈneɪ ʃən/
noun
1.
a rounded projection or tooth, as on the margin of a leaf.
2.
Anatomy. (in erythrocytes) the state of being or becoming shrunken with a notched or indented edge.
3.
a notch between teeth.
Origin
1840-1850
1840-50; crenate + -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for crenation

crenation

/krɪˈneɪʃən/
noun
1.
any of the rounded teeth or the notches between them on a crenate structure
2.
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
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crenation in Medicine

crenation cre·na·tion (krĭ-nā'shən)
n.

  1. The condition or state of being crenate.

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

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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