umbilication

[ uhm-bil-i-key-shuhn ]

noun

1. a central navellike depression.
2. an umbilicate condition or formation.

Word History and Origins

Origin of umbilication¹

First recorded in 1870–75; umbilic(us) + -ation

Example Sentences

Early in their career an apicial depression can be seen, which later deepens into a characteristic umbilication.

From Project Gutenberg

Umbilication rapidly occurs at the apex, and simultaneously their contents become lactescent and gradually sero-purulent.

From Project Gutenberg

This umbilication in the vesicular stage is somewhat peculiar.

From Project Gutenberg