decrease in the energy of a wave or beam of particles occurring as the distance from the source increases; caused by absorption, scattering, and divergence from a point source
ukuncipha kwamandla eliza okanye yamasuntswana omtha owenzeka ekumgama okude njengokuba usanda, okubangelwe lufunxo, lusasazo, okanye kuphambuko olusuka kwintsusa