(algebra) A theorem which states a constraint on rational solutions of a polynomial equation with integer coefficients.

(social sciences, economics, political science, sociology) A theory that argues individual decisions are based on that individual's understanding of the costs and benefits of a given action, shaped throughout the assumptions of self-interest and rational actors.

The process of economic agents aiming to maximise their objectives, by ensuring the marginal benefit of an action is equal to its marginal cost.

(philosophy) A specific form of rationality focusing on the most efficient or cost-effective means to achieve a specific end, but not in itself reflecting on the value of that end.

(philosophy) The proposition that scientific theories, and any other claims to knowledge, can and should be rationally criticized, and, if they have empirical content, can and should be subjected to tests which may falsify them.

plural of K ration

An individual daily combat food ration introduced by the United States Army during World War II and comprising three courses for breakfast, lunch and supper.

(US, military) An individual canned, precooked, or prepared wet ration formerly issued to land forces in the US military.

plural of bag of rations

(chiefly Australia) Synonym of neoliberalism. / Used other than figuratively or idiomatically: see economic, rationalism.