preemption

☆ pre·emption (prē emp′s̸hən)

noun

the act or right of buying land, etc. before, or in preference to, others; esp., such a right granted to a settler on public land
action taken to check other action beforehand

Etymology: < ML preemptus, pp. of preemere, to buy beforehand < L prae-, before (see pre-) + emere, to buy (see redeem)

In law, the doctrine coming from the Supremacy Clause of the United States Constitution asserting that in legislation on the same subject, federal legislation takes supremacy over state or local laws.
The right to buy something before anybody else.
An earlier seizure of some property, real or personal.

Converse of object

call: Another is when you preempt an opponent making an attack on you; this is called preemption from a state of waiting.

Adjective modifier

federal: Broad federal preemption is critical to this or any similar legislation.

Modifies a noun

example: However, there are preemption examples that this strategy cannot deal with satisfactorily.
language: The preemption language in the preamble to the Final Rule is but the latest attempt.
patch: My impression is that preemption patches should be only applied by the brave, as they can cause problems with several drivers.

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