Usage of nihil and nihilum

1. What does in nihilum mean?
2. What is the difference between nil and nihil?
3. What cases is nihil in Latin?
4. What declension is nihil?

What does in nihilum mean?

Noun. nihilum n (genitive nihilī); second declension. nothing quotations ▼ (of) no value (in the genitive singular)

What is the difference between nil and nihil?

Latin for “nothing” or “zero,” nil is a contraction of the Latin word nihil, which itself is a clipping of the word nihilum. In financial contexts, nil simply means “zero.”

What cases is nihil in Latin?

Nihil: Nihil is an indeclinable neuter noun which means "nothing". The form nihil can be either the nominative or accusative case.

What declension is nihil?

I know that nihil is an irregular noun, being undeclinable and used only in the nominative and accusative cases. I know that nihilum is a more regular 2nd-declension neuter word, with all the usual endings in all the usual cases.