Bachelor of Science n 1. (Education) a degree conferred on a person who has successfully completed his or her undergraduate studies in a branch of the sciences 2. a person who holds this degree Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Bach?elor of Sci?ence n. 1. a bachelor’s degree, usu. awarded for studies in science or technology. 2. a person having this degree. Abbr.: B.S., B.Sc., S.B. [1850?55, Amer.] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.