Dictionary.com
definitions
  • synonyms

noble metal

See more synonyms for noble metal on Thesaurus.com
noun
  1. any of a number of metals, as gold, silver, mercury, or platinum, that resist oxidation when heated in air, and solution by inorganic acids.
Show More

Origin of noble metal

1350–1400; Middle English: precious metal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018