(chemistry) The net potential energy liberated or absorbed during the course of a chemical reaction

The branch of engineering that deals with the design, construction and operation of industrial process plants, and the physical, chemical and biological processes to create substances or energy in a useful and economic form.

heat under the ground used to heat water and make steam to turn generator turbines and make electricity.

(physics) The energy needed to separate the constituent parts of an atom or nucleus; equivalent to the mass defect.

(physics) The energy released by a nuclear reaction; either through nuclear fission or nuclear fusion / Such energy used as a power source.

(curling) An end in which no stones are touching the house, and thus no points are scored.

Asks the interlocutor whether or not he or she is able to speak in the English language.

(nautical) A compartment on a ship in which the engine machinery is located. / (idiomatic) The source of power in a team or other group. / (sports) The midfield.

(snooker) The end of a snooker table where the green, brown and yellow balls are initially placed

(computing) A mechanical general-purpose computer, designed by Charles Babbage but never built.