The annulment of a law by constitutional authority. It stands opposed to rogation; and is distinguished from derogation, which implies the taking away only some part of a tow; from subrogation, which denotes the adding a clause to it; from dispensation, which only sets it aside in a particular instance; and from an-tiquation. which is the refusing to pass a law. Encyc. Lond
Source: Black's Law Dictionary 2nd Ed (1910)