vapor density vapor condenser • vapored · · · Info · Definitions · Synonyms · Characters · · vapor density · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) the density of a gas relative to the density of hydrogen. Synonyms: vapor density, vapour density. · · Noun Definition 1 Synonyms · · · vapour density · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079