hard solder hard shoulder • hard steel · · · Info · Definitions · Characters · · hard solder · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) solder that contains copper; melts at a relatively high temperature; used for brazing. Synonyms: hard solder. · · Noun Definition 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 h latin small letter h U+0068 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073