The claim that something good will turn up, especially when used to justify optimism. / The claim that financial surplus is success and debt is failure.

(linguistics) The idea of using ideograms as phonograms representing the sounds of the words expressed by the original ideograms.

(physics) the principle that classical physics is the limit of quantum physics as quantum numbers approach infinity

(UK, education) The idea that university places should be available to everybody who qualifies for them by ability and attainment.

(biochemistry, archaic) Any of a class of substances found ready-formed in animal and vegetable tissues, and separable by chemical analysis, such as albumin, sugar, collagen, fat, etc.

A rule for assigning epistemic probabilities, according to which, in the absence of any relevant evidence, agents should distribute their credence (or 'degrees of belief') equally among all the possible outcomes.

Synonym of Heisenberg uncertainty principle

(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.

(economics) A theory in economics that states that an increase or decrease in income induces a corresponding but magnified change in investment.

(philosophy) Synonym of indiscernibility of identicals