There are multiple definitions - click on the translation that matches your context.

Nichtigkeitserklärung

Substantiv

full

nullification

noun

Comparative law notes

Germany

This English word has broader meaning than annulment and should therefore be used if the context is not entirely clear.

Definitions of nullification

English

the act of making something invalid

A group of legal academics have petitioned the Supreme Court of Justice for partial or total nullification of these laws.