- nullification - the states'-rights doctrine that a state can refuse to recognize or to enforce a federal law passed by the United States Congress
--1 is a kind of states' rights
Derived form: verb nullify1 - nullification, override - the act of nullifying; making null and void; counteracting or overriding the effect or force of something
--2 is a kind of change of state
--2 has particulars:cancellation; vitiation; neutralization, neutralisation, counteraction; neutralization, neutralisation Derived forms: verb nullify1, verb nullify3