UMBO
\ˈʌmbə͡ʊ], \ˈʌmbəʊ], \ˈʌ_m_b_əʊ]\
Sort: Oldest first
-
A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvae of echinoderms or in the tympanic membrane of the ear.
-
One of the lateral prominence just above the hinge of a bivalve shell.
By Oddity Software
-
A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvae of echinoderms or in the tympanic membrane of the ear.
-
One of the lateral prominence just above the hinge of a bivalve shell.
By Noah Webster.
By Henderson, I. F.; Henderson, W. D.
By Willam Alexander Newman Dorland
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.