Definition of umbilicate in English:


Syllabification: um·bil·i·cate
Pronunciation: /ˌəmˈbilikit, -ˌkāt


Botany & Zoology
  • 1(Especially of the cap of a fungus) having a central depression.
  • 1.1(Of a shell) having an umbilicus.
    More example sentences
    • The dominant taxa at that time (modal geometries C and D) had compressed, moderately to openly umbilicate shells with slowly expanding whorls, morphologies poorly exploited by Permian goniatitids.
    • Modal geometries C and D appear to represent the tendency for these pioneers, i.e., slowly expanding, moderately to openly umbilicate, compressed shells, typified by Otoceras and Ophiceras.
    • By contrast, a narrowly umbilicate and thin shell possesses slender and dense ornamentation.

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