Definition of motor for English Language Learners : of, relating to, used in, or involving a vehicle that is powered by a motor (such as a car or motorcycle) : having a motor
Ancient Greeks and Romans used aluminum salts for dressing wounds. However, aluminum metal was not isolated until the 19th century. Danish chemist Hans Christian Ãrsted first produced aluminum in 1825 by reacting aluminum chloride with potassium amalgam. Therefore, Ãrsted is considered to be the discoverer of Aluminum.
relationship to Aluminum Company of America In Aluminum Company of America Pittsburgh Reduction Company was founded by a group of young men that included Charles Martin Hall, who in 1886 had been the first American to succeed in developing a commercially cheap method of smelting aluminumâby electrolysis.