(economics, business, insurance) The process by which the price and quantity of goods or services in a given market is altered due to one party having information that the other party cannot have at reasonable cost.

plural of self-selection

(evolutionary theory) A type of natural selection where members of the sexes acquire distinct forms either because the members of one sex choose mates with particular features or because in the competition for mates among the members of one sex only those with certain traits succeed.

(evolutionary theory) A process by which heritable traits conferring survival and reproductive advantage to individuals, or related individuals, tend to be passed on to succeeding generations and become more frequent in a population, whereas other less favourable traits tend to become eliminated; the differential survival and reproduction of phenotypes.

(physics) Any of several general rules concerning the transitions between the states of a quantum mechanical system; they derive from the symmetry properties of the states and of their interactions

(US, basketball) The Sunday in March on which the teams that participate in the NCAA Division I men's basketball tournament are selected.

(biology, evolution) A form of natural selection whereby traits that may be disadvantageous to the individual can be propagated when they are advantageous to the survival of a group as a whole.

(computing theory) A sorting algorithm that divides the input list into two sublists — items already sorted, and items not yet sorted — and gradually transfers elements from one list to the other.

plural of selection sort

(US, basketball) The Monday in March on which the teams that participate in the NCAA Division I women's basketball tournament are selected.