(biology) The characteristic of an organism that enables it to survive and reproduce better than other organisms in a population in a given environment; the basis for evolution by natural selection.

(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.

(evolutionary theory) Intervention by humans in the breeding of plants or animals in order to preserve selected genetic traits.

The practice of breeding the best specimens of a given organism to encourage certain features.

plural of selection rule

A standardized colour for automotive lamps, intended to improve vision by removing blue wavelengths from the projected light.

(education) A school that admits students on the basis of their academic achievements.

(firearms) The ability to choose whether a weapon fires automatically or semi-automatically.

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

plural of selective school