matrix /ˈmeɪtrɪks/ noun noun: matrix; plural noun: matrices; plural noun: matrixes 5. an organizational structure in which two or more lines of command, re

matrix /ˈmeɪtrɪks/ noun noun: matrix; plural noun: matrices; plural noun: matrixes 5. an organizational structure in which two or more lines of command, responsibility, or communication may run through the same individual. "matrix structures are said to foster greater flexibility"