అర్థం : একপ্রকার ধাতব উপাদান
ఉదాహరణ :
"হাফ্নিয়ামের পরমাণু সংখ্যা বাহাত্তর"
ఇతర భాషల్లోకి అనువాదం :
A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals. Used in filaments for its ready emission of electrons.
atomic number 72, hafnium, hf