Definition of matrix noun from the Oxford Advanced American Dictionary

     

    matrix

     noun
    noun
    NAmE//ˈmeɪtrɪks//
     
    (pl. matrices
    NAmE//ˈmeɪtrəˌsiz//
     
    or matrixes)
     
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  1. 1(mathematics) an arrangement of numbers, symbols, etc. in rows and columns, treated as a single quantity
  2. 2 (formal) the formal social, political, etc. situation from which a society or person grows and develops the North American cultural matrix
  3. 3(formal or literary) a system of lines, roads, etc. that cross each other, forming a series of squares or shapes in between synonym network a matrix of paths
  4. 4(technology) a mold in which something is shaped
  5. 5(computing) a group of electronic circuit elements arranged in rows and columns like a grid see also dot matrix printer
  6. 6(geology) a mass of rock in which minerals, precious stones, etc. are found in the ground
See the Oxford Advanced Learner's Dictionary entry: matrix