an advocate of nullification; someone who believes that a state can resist federal laws
an official who can invalidate or nullify
同义词：invalidator, voider
nullifier详细解释
nul.li.fi.er n.（名词）One that nullifies.使无效者One who believes in nullification as a means by which U.S. states may resist federal laws.主张美国各州可以拒绝联邦法律者：相信把州对国会法令的拒绝执行作为美国各州拒抗联邦法律的方法的人
