What does os tympanicum mean in Latin?

os tympanicum, a noun, means “tympanic bone”.

What is the genitive of os tympanicum?

The genitive singular is ossis tympanicī. os tympanicum is third declension.

In classical Latin, [ˈɔs tymˈpa.nɪ.kũː]; in ecclesiastical (church) Latin, [ˈɔs timˈpaː.ni.kum].

nounthird declension

os tympanicum n (genitive ossis tympanicī)

Classical[ˈɔs tymˈpa.nɪ.kũː]Ecclesiastical[ˈɔs timˈpaː.ni.kum]

neutertympanic bone
Os tympanicum in Cetaceis magnum est, eburneae fere duritiei, et ossi petroso tantum cartilagine interposita junctum (d).The tympanic bone in Cetaceans is large, almost as hard as ivory, and connected to the petrous bone only by intervening cartilage (d).1864, Jan van der Hoeven, Philosophia Zoologica, E. J. Brill, page 176:

declension
form	singular	plural
nominative	os tympanicum	ossa tympanica ossua tympanica
genitive	ossis tympanicī	ossium tympanicōrum ossuum tympanicōrum
dative	ossī tympanicō	ossibus tympanicīs
accusative	os tympanicum	ossa tympanica ossua tympanica
ablative	osse tympanicō	ossibus tympanicīs
vocative	os tympanicum	ossa tympanica ossua tympanica

From os (“bone”) + tympanicus (“tympanic”).

Descendants