the official name of Paraguay

Alternative form of monkey parade

(Britain, dated slang) Synonym of monkey run

The objection that it should not be possible to deduce an irreversible process from time-symmetric dynamics.

(physics) Synonym of Supplee's paradox

(physics) A physical paradox that arises when considering the buoyant force exerted on a relativistic bullet (or in a submarine) immersed in a fluid subject to an ambient gravitational field. If a bullet has neutral buoyancy at rest in a perfect fluid and is then launched at relativistic speed, observers at rest within the fluid would conclude that the bullet should sink, since its density will increase due to the length contraction effect. On the other hand, in the bullet's proper frame it is the moving fluid that becomes denser and hence the bullet would float.

The situation where a group of people collectively decide on a course of action that goes against the preferences of many or all of the individuals in the group, because the individuals choose to side with what they believe is the majority preference.

(psychotherapy) A psychotherapeutic technique used to treat anxiety by repeatedly rehearsing the anxiety-inducing pattern of thought or behaviour, often with exaggeration and humor.

plural of parallel transport

(geometry) A way of transporting geometrical data along smooth curves in a manifold.