vapour pressure vapourousness • vapours · · · Info · Definitions · Synonyms · Characters · · vapour pressure · · Text Common · · Latin · · Scripts 15 · · Length 4 · · Syllables Definitions · · · (noun) the pressure exerted by a vapor; often understood to mean saturated vapor pressure (the vapor pressure of a vapor in contact with its liquid form). Synonyms: vapor pressure, vapour pressure. · · Noun Definition 1 Synonyms · · · vapor pressure · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 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 u latin small letter u U+0075 v latin small letter v U+0076