crenulation

[ kren-yuh-ley-shuhn ]
/ ˌkrɛn yəˈleɪ ʃən /

noun

a minute crenation.
the state of being crenulate.

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Origin of crenulation

First recorded in 1840–50; crenulate + -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for crenulation

crenulation
/ (ˌkrɛnjʊˈleɪʃən) /

noun

any of the teeth or notches of a crenulate structure
a crenulate formation
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