Carborundum carborundum • carborundum cloth · · · Info · Definitions · Characters · · Carborundum · · Text Latin · · Script 11 · · Length 4 · · Syllables Definitions · · · (noun) an abrasive composed of silicon carbide crystals. Synonyms: carborundum. · · Noun Definition 1 Characters · · C latin capital letter c U+0043 a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075