crenulationn.
/krɛnjuːˈleɪʃən/ Zoology and Botany.
A crenulated formation; a minute rounded marginal tooth or crenation.
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the world > life > biology > physical aspects or shapes > indentation or cavity > [noun] > notch or indentation
incision1578
incisure1597
crenature1815
emargination1831
crenel1835
crenation1846
crenulation1846
1846 J. D. Dana U.S. Exploring Exped.: Zoophytes 391 The lamellæ are marginal crenulations.
1881 R. B. Watson in Jrnl. Linn. Soc. XV. 452 Forming on the upper whorls infrasutural crenulations.
This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2018).
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n.1846