chromium chromitite • chromo · · · Info · Definitions · Synonyms · Characters · · chromium · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a hard brittle multivalent metallic element; resistant to corrosion and tarnishing. Synonyms: Cr, atomic number 24. · · Noun Definition 1 Synonyms · · · cr · · Synonym 1 atomic number 24 · · Synonym 2 Characters · · c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075