gas constant gas concrete • gas cooker · · · Info · Definitions · Synonyms · Characters · · gas constant · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole. Synonyms: gas constant, universal gas constant, R. · · Noun Definition 1 Synonyms · · · universal gas constant · · Synonym 1 r · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 g latin small letter g U+0067 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074