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.
1 a usually valuable stone cut and polished for ornament a ring set with diamonds and other precious gems Synonyms brilliant, gemstone, jewel, rock [slang] Related Words bauble, bijou, trinket; birthstone; baguette, cabochon, cameo, scarab, solitaire, teardrop; paste, rhinestone, zircon; crown jewels, jewelry Near Antonyms rough.