matrix Meaning, Definition & Usage

  1. 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
  2. noun (geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded
  3. noun an enclosure within which something originates or develops (from the Latin for womb)
  4. noun the body substance in which tissue cells are embedded
    intercellular substance; ground substance.
  5. noun the formative tissue at the base of a nail
  6. noun mold used in the production of phonograph records, type, or other relief surface

WordNet

Ma"trix noun
Etymology
L., fr. mater mother. See Mother, and cf. Matrice.
Wordforms
plural Matrices
Definitions
  1. (Anat.) The womb.
    All that openeth the matrix is mine. Ex. xxxiv. 19.
  2. Hence, that which gives form or origin to anything; as: (a) (Mech.) The cavity in which anything is formed, and which gives it shape; a die; a mold, as for the face of a type. (b) (Min.) The earthy or stony substance in which metallic ores or crystallized minerals are found; the gangue. (c) pl. (Dyeing) The five simple colors, black, white, blue, red, and yellow, of which all the rest are composed.
  3. (Biol.) The lifeless portion of tissue, either animal or vegetable, situated between the cells; the intercellular substance.
  4. (Math.) A rectangular arrangement of symbols in rows and columns. The symbols may express quantities or operations.

Webster 1913