noble metal noble gas • noble-born · · · Info · Definitions · Characters · · noble metal · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) any metal that is resistant to corrosion or oxidation. Synonyms: noble metal. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074