atmospherics

noun[plural only]3

1. •
   Elements of the overall background atmosphere.

   • The indefinite object was drawing away from us at a high speed and eventually disappeared into a veil of atmospherics, very much as a headlight disappearing into a fog. — 1965
2. •
   The ambiance of a physical location (e.g., retail shop) or a sensory performance (e.g., music).
3. •
   Radio interference caused by pulses of electromagnetic radiation in the atmosphere as the result of lightning and other events (both natural and man-made)

   • Other projects in progress at CRPL involve the study of audiofrequency tellurics (current induced in the earth) and earth conductivity measurements using atmospherics. — 1964