atmosphericPronunciation: /atməsˈfɛrɪk/Translate atmospheric | into German | into Italian | into Spanish Definition of atmospheric adjective 1relating to the atmosphere of the earth:atmospheric pollution 2creating a distinctive mood, typically of romance or nostalgia:atmospheric lightingDerivatives atmosphericalPronunciation: /-ˈfɛrɪk(ə)l/ adjective ( archaic) atmosphericallyPronunciation: /-ˈfɛrɪk(ə)li/ adverb atmospheric in other Oxford dictionaries Definition of atmospheric in the US English dictionary