(slang) To have sex.

(chemistry, physics) a technique of extractive distillation in which a salt or a non-volatile liquid is added to the mixture being distilled in order to remove azeotropes and aid separation

On or happening at the end of the year (e.g., late December).

A letter written to a newspaper, magazine or other periodical, usually intended for publication, about issues of concern to readers.

(sociology) the observation that people often do or believe what they think many other people do.

Energy in the form of electromagnetic radiation emitted from the Sun; especially that part of this energy that is converted into usable thermal or electrical energy by man.

(physics) The generation of an electric current in an intermetallic semiconductor in a magnetic field by the action of light.

(physics) The emission of electrons from the surface of a material following the absorption of electromagnetic radiation.

An artificially created or enhanced sound, used to accompany the action of a dramatic production, such as a film, play or video game

(physics) The sum of the potential energy and kinetic energy of a body or system