nullification

nul·li·fi·ca·tion  (nl-f-kshn)

n.

1.

a. The act of nullifying.

b. The state of being nullified.

2. Refusal or failure of a U.S. state to recognize or enforce a federal law within its boundaries.

---

nulli·fi·cation·ist n.

Thesaurus

Noun	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 states' rights - a doctrine that federal powers should be curtailed and returned to the individual states
	2.	nullification - the act of nullifying; making null and void; counteracting or overriding the effect or force of something override change of state - the act of changing something into something different in essential characteristics cancellation - the act of cancelling; calling off some arrangement vitiation - nullification by the destruction of the legal force; rendering null; "the vitiation of the contract" counteraction, neutralisation, neutralization - action intended to nullify the effects of some previous action neutralization, neutralisation - action intended to keep a country politically neutral or exclude it from a possible war; "the neutralization of Belgium"