Definition of Matrix

Noun: matrix (matrices,matrixes) mey-triks

(mathematics) a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules
(geology) a mass of fine-grained rock in which fossils, crystals, or gems are embedded
An enclosure within which something originates or develops
The body substance in which tissue cells are embedded
- intercellular substance, ground substance
The formative tissue at the base of a nail
Mould used in the production of phonograph records, type, or other relief surface