crenation

[ kri-ney-shuhn ]

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.

crenation

/ ˈkrɛnəˌtjʊə; krɪˈneɪʃən; ˈkriː- /

noun

1. any of the rounded teeth or the notches between them on a crenate structure
2. a crenate formation or condition

Word History and Origins

Origin of crenation¹

First recorded in 1840–50; crenate + -ion