al-Farabi (?ælf??r??b?) n (Biography) Mohammed ibn Tarkhan. died 950, Muslim philosopher, physician, and mathematician, of central Asian originCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014