Minor means "not important", and in Latin "smaller". It may also may refer to: Mathematics Minor (linear algebra), for a given matrix, its minor is the determinant of a certain smaller matrix Minor (graph theory), Music Major and minor, general discussion Minor scale Minor chord specific intervals, such as minor third Minor, a nice babe class of methods for Change ringing Sports Minor leagues, sports leagues which are not regarded as the premier leagues Minor league baseball, North A… (More on Minor)