atmosphericsPronunciation: /atməsˈfɛrɪks/Definition of atmospherics noun 1electrical disturbances in the atmosphere due to lightning and other phenomena, especially as they interfere with telecommunications. 2effects intended to create a particular atmosphere or mood, especially in music:a smoky jazz sound with spooky atmosphericsatmospherics in other Oxford dictionaries Definition of atmospherics in the US English dictionary