matrix

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