electricity
elec.tric.i.ty \i-.lek-'tris-*t-e-, -'tris-te-\ n 1a: a fundamental entity of nature consisting of negative and positive kind s composed respectively of electrons and protons or possibly of electrons and positrons, observable in the attractions and repulsions of bodies electrified by friction and in natural phenomena (as lightning or the aurora borealis), and usu. utilized in the form of electric currents 1b: electric current 2: a science that deals with the phenomena and laws of electricity 3: keen contagious excitement
Webster's English Dictionary