Definify.com
Webster 1913 Edition
Nullification
Nulˊli-fi-ca′tion
,Noun.
[L.
nullificatio
contempt. See Nullify
.] The act of nullifying; a rendering void and of no effect, or of no legal effect.
Right of nullification
(U. S. Hist.)
, the right claimed in behalf of a State to nullify or make void, by its sovereign act or decree, an enactment of the general government which it deems unconstitutional.