(military, psychiatry) The acute psychological trauma experienced in combat environments which can lead to combat fatigue.

Information created by a person using the Internet or other digital activities, especially when used for commercial purposes.

(physics) A receiver, such as that used with an air pump, from which the air has been withdrawn; a vessel whose interior is a more or less complete vacuum.

plural of exhausted receiver

A severe illness caused by excessive sweating, characterised by nausea, headache, thirst, weakness, and high body temperature.

(in an internal combustion engine) a valve through which the products of combustion escape from the cylinder to the manifold

plural of exhaust pipe

For internal combustion engines, the pipe that vents waste gases from the engine.

plural of proof by exhaustion

(logic) The indirect verification or falsification of a statement by the verification or falsification of each of the finite number of cases which arise therefrom.