nullification

Definition of Nullification in English :

1. nullification

the states'-rights doctrine that a state can refuse to recognize or to enforce a federal law passed by the United States Congress

2. nullification, override

the act of nullifying; making null and void; counteracting or overriding the effect or force of something

WordNet Lexical Database for English. Princeton University. 2010.

Nullification

noun

1.

a nullifying or being nullified

2. US

in U.S. history, the refusal of a state to recognize or enforce within its territory any federal law held to be an infringement on its sovereignty

n.

1. The act of nullifying or the state of being nullified: a referee's nullification of a goal for being scored in violation of a rule.

2.

a. The action by a state not to enforce a federal law as improperly encroaching on the scope of state power.

b. A theory justifying such action.