rectification /ˌɹɛktɪfɪˈkeɪʃən/ noun7 •The action or process of rectifying.the rectification of an error; the rectification of spirits •Purification of a substance through repeated or continuous distillation. •(historical) Any of a number of Chinese and Filipino communist purges. See rectification movement. •A procedure that attempts to determine a person's time of birth based on events in their life. •The determination of a straight line whose length is equal to a portion of a curve. •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. •The adjustment of a globe preparatory to the solution of a proposed problem. formsrectifications