Derogation
The partial repeal of a law, usually by a subsequent act that in some way diminishes its Original Intent or scope.
Derogation is distinguishable from abrogation, which is the total Annulment of a law.
West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.
derogation
in the law of the EUROPEAN COMMUNITIES, exemptions to various aspects of the four freedoms, particularly the free movement of persons and the free movement of goods.Collins Dictionary of Law © W.J. Stewart, 2006
DEROGATION, civil law. The partial abrogation of a law; to derogate from a
law is to enact something which is contrary to it; to abrogate a law is' to
abolish it entirely. Dig. lib. 50, t. 17, 1. 102. See Abrogation.
A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.