matrices

(noun) (mathematics) a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules. Synonyms: matrix.

(noun) (geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded. Synonyms: matrix.

(noun) an enclosure within which something originates or develops (from the Latin for womb). Synonyms: matrix.

(noun) the body substance in which tissue cells are embedded. Synonyms: matrix, intercellular substance, ground substance.

(noun) the formative tissue at the base of a nail. Synonyms: matrix.

(noun) mold used in the production of phonograph records, type, or other relief surface. Synonyms: matrix.