The killing of a prince.

The concept that offenders should be punished according to how blameworthy they are.

A method of analysis applied to problems of wave propagation, stating that every point on a wavefront is itself the source of spherical wavelets, and the secondary wavelets emanating from different points mutually interfere.

Third-person singular simple present indicative form of principiate

plural of Bridlington principle

(industrial relations) Any of a set of rules aimed at resolving conflicts among trade unions.

(physics) Synonym of Ritz's combination principle

(epistemology) Synonym of Occam's razor

(physics) The principle that a volume is a boundary of a higher-dimension region

(physics) also known as the stationary action principle. In complex systems, the tendency for any movement or change to use the least action, and therefore amount of energy possible. This is true on a subatomic level, on the population level (evolution), and on a macro level. Not considered a law of physics because it is not true 100% of the time.