rectification

/R EH0 K T AH0 F AH0 K EY1 SH AH0 N/
noun
  1. 1

    The action or process of rectifying.

    โ€œthe rectification of an error; the rectification of spiritsโ€

  2. 2

    The determination of a straight line whose length is equal to a portion of a curve.

  3. 3

    The truncation of a polyhedron by replacing each vertex with a face that passes though the midpoint of each edge connected to the vertex; an analogous procedure on a polytope of dimension higher than 3.

  4. 4

    The adjustment of a globe preparatory to the solution of a proposed problem.

  5. 5

    (chemical engineering) Purification of a substance through repeated or continuous distillation.

Source: https://en.wiktionary.org/wiki/rectification