The act of not selecting someone (or something).

(US, transitive, euphemistic) To fire (an employee).

Unable to speak or communicate orally in certain social settings.

plural of selection bias

The bias introduced by the selection of individuals, groups, or data for analysis in such a way that proper randomization is not achieved, thereby ensuring that the sample obtained is not representative of the population intended to be analyzed.

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

(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.

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

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

The collection of recyclable waste separately from that which is not recyclable.