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

Empty cells becoming confluent, vesicular by incurvation of the circular margin, forming a deep and round umbilication.

From Project Gutenberg

The umbilication of the mature pock is doubtless due to the situation of such lesions at the orifices of the excretory ducts of the skin-glands.

From Project Gutenberg

Eventually, it too, as a result of the maceration and tension incidental to the complete filling of the pock with pus-elements, is ruptured or stretched, and the umbilication of the pustule disappears.

From Project Gutenberg

The phenomenon termed umbilication, common to the vaccinal pock and to that of variola, has given rise to some differences of opinion as to the mechanism of its production.

From Project Gutenberg

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

From Project Gutenberg