A negatively charged ion composed of metal and non-metal elements that can form salts with cations.
धात्विक बहिअन्यन
English Usage: "The metallic polyanion in the solution helped stabilize the compound."
Hindi Usage: "घोल में धात्विक बहिअन्यन ने यौगिक को स्थिर बनाने में मदद की।"