noun
: the attenuation of the light of stars and galaxies when it encounters interstellar matter within a galaxy or material in the relatively empty regions between galaxies : the reddening of starlight by interstellar matter
noun
: the attenuation of the light of stars and galaxies when it encounters interstellar matter within a galaxy or material in the relatively empty regions between galaxies : the reddening of starlight by interstellar matter
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012