See under .
any of three laws of classical mechanics, either the law that a body remains at rest or in motion with a constant velocity unless an external force acts on the body (first law of motion) the law that the sum of the forces acting on a body is equal to the product of the mass of the body and the acceleration produced by the forces, with motion in the direction of the resultant of the forces (second law of motion) or the law that for every force acting on a body, the body exerts a force having equal magnitude and the opposite direction along the same line of action as the original force (third law of motion or law of action and reaction)
noun 1. See under (def 1). noun 1. any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process is possible in which heat is […]
noun 1. . noun 1. a lien having priority over others attached to the same property.
noun, Military. 1. an officer ranking next above second lieutenant and next below a captain. noun 1. the officer responsible for the upkeep and maintenance of a warship, esp the executive officer of a smaller ship in the Royal Navy 2. an officer holding commissioned rank in the US Army, Air Force, Marine Corps, or […]
noun, Southern U.S. 1. . noun 1. the time when light first appears in the morning; dawn