soldering flux soldering copper • soldering iron · · · Info · Definitions · Characters · · soldering flux · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) flux applied to surfaces that are to be joined by soldering; flux cleans the surfaces and results in a better bond. Synonyms: soldering flux. · · Noun Definition 1 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C 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 u latin small letter u U+0075 x latin small letter x U+0078