ଅର୍ଥ : The time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate).
ସମକକ୍ଷ : half life
Half-life ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Half-life ka matlab kya hota hai?