electric_discharge has definitions from the fields of physics,electricity
1
[ noun ] (physics,electricity) electrical conduction through a gas in an applied electric field

Used in print

(Bern Dibner, "Oerstad and the Discovery of Electro...)

It was with the assistance of one of the members of_this expedition , Lauritz_Esmarch , that Oersted succeeded in producing light by creating an electric_discharge in mercury vapor through which an electric_current was made to flow .

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