law of nature, law - a generalization that describes recurring facts or events in nature; "the laws of thermodynamics"

gravitational theory, Newton's theory of gravitation, theory of gravitation, theory of gravity - (physics) the theory that any two particles of matter attract one another with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them

natural philosophy, physical science, physics - the science of matter and energy and their interactions

constant of gravitation, gravitational constant, universal gravitational constant, G - (physics) the universal constant relating force to mass and distance in Newton's law of gravitation