Meaning of the word nullification in English

What does nullification mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

nullification

US /ˌnʌl.ə.fəˈkeɪ.ʃən/
UK /ˌnʌl.ɪ.fɪˈkeɪ.ʃən/

Noun

1.

the act of making something legally null and void; invalidation

Example:
The court ordered the nullification of the contract.
The nullification of the previous law led to new regulations.
2.

the refusal of a US state to aid in the enforcement of a federal law within its borders

Example:
The doctrine of nullification was a key issue in the pre-Civil War era.
Some states attempted nullification of federal tariffs.