(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.

The tendency to interpret information in a way that supports what one already believes.

(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

A process in modelbuilding, in which bulky and/or repetitious elements of the prototype being modeled are omitted, in order to capture the important details in a smaller-than-scale model.

(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

(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.