Matrix - Definition
matrix
n 1: (mathematics) a rectangular array of quantities or
expressions set out by rows and columns; treated as a
single element and manipulated according to rules
2: (geology) amass of fine-grained rock in which fossils,
crystals, or gems are embedded
3: an enclosure within which something originates or develops
(from the Latin for womb)
4: the body substance in which tissue cells are embedded [syn:
matrix, intercellular substance, ground substance]
5: the formative tissue at the base of a nail
6: mold used in the production of phonograph records, type, or
other relief surface