RhymeZone: matrix definitions

Definitions of matrix:

noun: mold used in the production of phonograph records, type, or other relief surface
noun: the formative tissue at the base of a nail
noun: the body substance in which tissue cells are embedded
noun: a rectangular array of elements (or entries) set out by rows and columns
noun: an enclosure within which something originates or develops (from the Latin for womb)

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See matrix used in context: 84 rhymes, several books and articles.