law of thermodynamics law of the land • law of volumes · · · Info · Definitions · Characters · · law of thermodynamics · · Text Common · · Latin · · Scripts 21 · · Length 7 · · Syllables Definitions · · · (noun) (physics) a law governing the relations between states of energy in a closed system. Synonyms: law of thermodynamics. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 w latin small letter w U+0077 y latin small letter y U+0079