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1. (mathematics) a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules
    
2. (geology) a mass of fine-grained rock in which fossils, crystals, or gems are embedded
    
3. An enclosure within which something originates or develops
    
4. The body substance in which tissue cells are embedded
   - intercellular substance, ground substance
    
5. The formative tissue at the base of a nail
    
6. Mould used in the production of phonograph records, type, or other relief surface

Derived forms: matrices, matrixes

Type of: animal tissue, array, body substance, cast, enclosure, mold [N. Amer], mould [Brit, Cdn], natural enclosure, rock, stone

Part of: bone, cartilage, connective tissue, gristle, nail, os[2]

Encyclopedia: Matrix