Faraday n 1: the English physicist and chemist who discovered electromagnetic induction (1791-1867) [syn: {Faraday}, {Michael Faraday}]
faraday \far"a*day\, n. [From Michael Faraday, the English electrician.] (Elec.) the quantity of electric charge that, passed though an ionic solution, will cause electrolysis of one equivalent of ions; it is equal to about 96,490 coulombs. The number of univalent metal ions (such as silver in a silver nitrate solution) which would be deposited as free metal by such a current is Avogadro's number, 6.023 x 10^{23}. [PJC]