(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.
2.
(used with a singular verb) the study of such phenomena; sferics.
3.
(used with a plural verb) mood or atmosphere; ambience:
He swathes his story in atmospherics: no one is without his wreath of cigarette smoke, no recess without its shadowy figure.
The audience gave standing ovation after standing ovation despite the awkward atmospherics and stilted banter.
Instead, the atmospherics of the anti-terror coalition have been soured.
British Dictionary definitions for atmospherics
atmospherics
/ˌætməsˈfɛrɪks/
plural noun
1.
electrical disturbances produced in the atmosphere by natural causes such as lightning
2.
radio interference, heard as crackling or hissing in receivers, caused by electrical disturbance
atmospherics in Science
atmospherics
(āt'mə-sfîr'ĭks)
Electromagnetic radiation that is in the same range as radio frequencies and is produced by natural phenomena (such as lightning) and interferes with radio communications.
The radio interference produced by this electromagnetic radiation.