vector sum vector quantity • vecture · · · Info · Definitions · Synonyms · Characters · · vector sum · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a vector that is the sum of two or more other vectors. Synonyms: vector sum, resultant. · · Noun Definition 1 Synonyms · · · resultant · · Synonym 1 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 m latin small letter m U+006D 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 u latin small letter u U+0075 v latin small letter v U+0076