electricity
n[U]
1 form of energy occurring in certain particles (electrons and protons) and hence in larger bodies, since they contain these 电.
2 supply of such energy in the form of electric current for lighting, heating, driving machines, etc 电流
Don´t leave the lights on it wastes electricity. 走时要随手关灯--以免浪费电.
When did the village first get electricity? 这个村何时通的电?
3 branch of science concerned with the study of this form of energy 电学.