അർത്ഥം : A soft grey ductile metallic element used in alloys. Occurs in niobite. Formerly called columbium.
പര്യായപദങ്ങൾ : atomic number 41, niobium
Nb ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Nb ka matlab kya hota hai?