A table of data. / The cavity or mold in which anything is formed. / (biology) The material or tissue in which more specialized structures are embedded.

(science fiction) A simulated reality to which many humans are connected. In some works created by sentient machines to subdue humans.

A minor modern religion based on the science-fiction franchise The Matrix.

(business, of an organisation) Using matrix management.

plural of matrix

(mathematics) A square matrix that is its own transpose, and is thereby symmetric about the main diagonal

That functions by use of a dot matrix

The layer which surrounds chondrocytes in cartilage. It is basophilic, and stains metachromatically due to proteoglycans.

(anatomy, cytology) All the connective tissues and fibres that are not part of a cell, but rather provide support.

(geology) The fine-grained background material in which crystals, pebbles or fossils are embedded in a sedimentary rock