by-product byproduct • by-product oven · · · Info · Definitions · Synonyms · Characters · · by-product · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a secondary and sometimes unexpected consequence. Synonyms: byproduct. · · Noun Definition 1 (noun) a product made during the manufacture of something else. Synonyms: byproduct, spin-off. · · Noun Definition 2 Synonyms · · · byproduct · · Synonym 1 spin-off · · Synonym 2 Characters · · - hyphen-minus U+002D b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079