jacobian

noun
  1. 1

    A Jacobian matrix or its associated operator.

  2. 2

    The determinant of such a matrix.

adjective
  1. 1

    Used to specify certain mathematical objects named in honour of C. G. J. Jacobi.

    โ€œThe Jacobian matrix has partial derivatives as its entries.โ€

Source: https://en.wiktionary.org/wiki/Jacobian, https://en.wiktionary.org/wiki/jacobian