WordReference Random House Unabridged Dictionary of American English © 2026
no′ble met′al,
- Chemistry, Metallurgyany of a number of metals, as gold, silver, mercury, or platinum, that resist oxidation when heated in air, and solution by inorganic acids.
- Middle English: precious metal 1350–1400
'noble metal' also found in these entries (note: many are not synonyms or translations):