crenulation

[ kren-yuh-ley-shuh n ]
/ ˌkrɛn yəˈleɪ ʃən /

noun

a minute crenation.
the state of being crenulate.

Origin of crenulation

First recorded in 1840–50; crenulate + -ion

British Dictionary definitions for crenulation

crenulation
/ (ˌkrɛnjʊˈleɪʃən) /

noun

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