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crenation

American

[kri-ney-shuhn] / krɪˈneɪ ʃən /

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.

crenation British

/ ˈkriː-, krɪˈneɪʃən, ˈkrɛnəˌtjʊə /

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

Etymology

Origin of crenation

First recorded in 1840–50; crenate + -ion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When a more concentrated solution, a hypertonic solution, is injected, the cells lose water to the more concentrated solution, shrivel, and possibly die in a process called crenation.

From Textbooks • Feb. 14, 2019

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023