What does nōngentēsimus mean in Latin?

nōngentēsimus, a numeral, means “nine hundredth”.

How do you pronounce nōngentēsimus?

In classical Latin, [noːŋ.ɡɛnˈteː.sɪ.mʊs]; in ecclesiastical (church) Latin, [non̠ʲ.d͡ʒenˈtɛː.s̬i.mus].

numeralfirst/second-declension adjective

nōngentēsimus (feminine nōngentēsima, neuter nōngentēsimum)

Classical[noːŋ.ɡɛnˈteː.sɪ.mʊs]Ecclesiastical[non̠ʲ.d͡ʒenˈtɛː.s̬i.mus]

singular
form	masculine	feminine	neuter
nominative	nōngentēsimus	nōngentēsima	nōngentēsimum
genitive	nōngentēsimī	nōngentēsimae	nōngentēsimī
dative	nōngentēsimō	nōngentēsimae	nōngentēsimō
accusative	nōngentēsimum	nōngentēsimam	nōngentēsimum
ablative	nōngentēsimō	nōngentēsimā	nōngentēsimō
vocative	nōngentēsime	nōngentēsima	nōngentēsimum

plural
form	masculine	feminine	neuter
nominative	nōngentēsimī	nōngentēsimae	nōngentēsima
genitive	nōngentēsimōrum	nōngentēsimārum	nōngentēsimōrum
dative	nōngentēsimīs	nōngentēsimīs	nōngentēsimīs
accusative	nōngentēsimōs	nōngentēsimās	nōngentēsima
ablative	nōngentēsimīs	nōngentēsimīs	nōngentēsimīs
vocative	nōngentēsimī	nōngentēsimae	nōngentēsima

nongentēsĭmus, a, um, v. noningentesimus.

From nōngenti (“nine hundred”) + -ēsimus (“-th”).