crenulation Zool. and Bot.
(krɛnjuːˈleɪʃən)
[f. as prec. + -ation.]
A crenulated formation; a minute rounded marginal tooth or crenation.
| 1846 Dana Zooph. (1848) 391 The lamellæ are marginal crenulations. 1881 R. B. Watson in Jrnl. Linn. Soc. XV. 452 Forming on the upper whorls infrasutural crenulations. |