What is another word for mercury noise?
Pronunciation: [mˈɜːkjʊɹi nˈɔ͡ɪz] (IPA) 
The term "mercury noise" can be defined as the erratic electrical interference which is produced by the high frequency oscillations that occur in some electronic systems. Synonyms for this term include electromagnetic interference (EMI), radio frequency interference (RFI), static noise, distortion, feedback, and hum. EMI and RFI are often used to describe interference specifically caused by radio waves, while static noise and hum can be used to describe any type of electrical noise. Distortion is a term used to describe any alteration in a signal, and feedback can be used to describe a loop in which a signal is fed back to a previous stage in the circuit.
