plural of pigeonhole principle

The practice in fiction, such as in film and television series, of including only one woman in an otherwise male ensemble.

(somewhat derogatory) A policy that prohibits building anything that could disturb those who already reside in an area.

plural of proximate principle

(evolutionary biology) The hypothesis that the phylogeny which includes the fewest character changes is the one most likely to be correct.

plural of equivalence principle

plural of Micawber principle

A geometric rule that describes the orientation of the plane of focus of an optical system (such as a camera) when the lens plane is not parallel to the image plane.

A principle in international law where international boundaries are extended over sea areas in the Arctic towards the North Pole following meridians (lines of longitude). The same principle is used over land in the Antarctic to the South Pole.

(law) The principle, in international law, that sovereign states may act in any way they wish as long as they do not contravene an explicit prohibition.