What does ēthēnum mean in Latin?

ēthēnum, a noun, means “ethene”.

What is the genitive of ēthēnum?

The genitive singular is ēthēnī. ēthēnum is neuter, second declension.

In classical Latin, [eːˈtʰeː.nũː]; in ecclesiastical (church) Latin, [eˈtɛː.num].

noun · neutersecond declension

ēthēnum n (genitive ēthēnī)

Classical[eːˈtʰeː.nũː]Ecclesiastical[eˈtɛː.num]

Internationalism. Compare English ethene.

What does ēthēnum mean in Latin?: ēthēnum, a noun, means “ethene”.
What is the genitive of ēthēnum?: The genitive singular is ēthēnī. ēthēnum is neuter, second declension.
How do you pronounce ēthēnum?: In classical Latin, [eːˈtʰeː.nũː]; in ecclesiastical (church) Latin, [eˈtɛː.num].