<p><strong>Noun</strong></p><ul><li>(used with a plural verb) Radio and Television. noise in a radio receiver or randomly distributed white spots or bands on the screen of a television receiver, caused by interference from natural electromagnetic disturbances in the atmosphere.</li><li>(used with a singular verb) the study of such phenomena; sferics.</li><li>(used with a plural verb) mood or atmosphere; ambience: The atmospherics of the conference were cordial.</li></ul>