Definition of matrixes:
(n) :
The cavity or mold in which anything is formed.
(n) :
The metaphorical place where something is made, formed, or given birth.
(n) :
(biology) The material or tissue in which more specialized structures are embedded.
(n) :
(biology) An extracellular matrix, the material or tissue between the cells of animals or plants.
(n) :
(biology) Part of the mitochondrion.
(n) :
(biology) The medium in which bacteria are cultured.