Geology. a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
law of superposition
- Law of supply and demand
noun 1. the theory that prices are determined by the interaction of supply and demand: an increase in supply will lower prices if not accompanied by increased demand, and an increase in demand will raise prices unless accompanied by increased supply
noun 1. a system or mode of action in which the strongest survive, presumably as animals in nature or as human beings whose activity is not regulated by the laws or ethics of civilization. noun 1. a state of ruthless competition or self-interest Survival of the strongest, as in The recent price war among airlines […]
noun 1. unalterable law.
noun, Mathematics. 1. . noun, Mathematics. 1. the property that for natural numbers a and b , either a is less than b , a equals b , or a is greater than b .