preemption
nounDefinition of preemption
1a
: the right of purchasing before others
especially
: one given by the government to the actual settler upon a tract of public land
b
: the purchase of something under this right
2
: a prior seizure or appropriation : a taking possession before others
3a
: a doctrine in law according to which federal law supersedes state law when federal law is in conflict with a state law
Even without an express provision for preemption, we have found that state law must yield to a congressional Act in at least two circumstances. — Crosby v. National Foreign Trade Council
— called also federal preemption
b
: a doctrine in law according to which the legislation of a superior government (such as a state government) supersedes that of an inferior government (such as a municipal government) in conflicts of law
4
: a policy of launching a preemptive attack in order to prevent a suspected imminent attack
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more