A type of metal that is resistant to corrosion and oxidation in moist air, including metals like gold, silver, and platinum.

ऐंठ धातु

English Usage: Gold is considered a noble metal due to its resistance to tarnishing.

Hindi Usage: सोना एक ऐंठ धातु माना जाता है क्योंकि यह काला नहीं पड़ता।