matrix
n//mæːʈ.rɪks//matris
(biology) An extracellular matrix, the material or tissue between the cells of animals or plants.
(mathematics) A rectangular arrangement of numbers or terms having various uses such as transforming coordinates in geometry, solving systems of linear equations in linear algebra and representing graphs in graph theory.
(computing) A two-dimensional array.
(printing, historical) In hot metal typesetting, a mold for casting a letter.