where p is gas pressure, V is volume, is the number of moles, R is the universal gas constant (= 8.3144 j/(oK mole)), and T is the absolute temperature. The first law of thermodynamics, the conservation of energy, may be written in differential form as. dq = du + p dV.
Definition of DIAMOND for Kids. 1. : a very hard mineral that is a form of carbon, is usually nearly colorless, and is used especially in jewelry. 2. : a flat figure {loz} like one of the surfaces of certain cut diamonds.
uk â /ÊÅËkÊt/ us â /ÊÅËkÊt/. âº complete and in its original form: the original, uncut version of a film. Uncut diamonds are worth less than those that have been cut and shaped. Thesaurus: synonyms and related words. Complete and whole.