The act of offering an improvement to replace a mistake

• With 44 Down, repairman's formal statement

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Rectification \Rec`ti*fi*ca"tion\ (r?k`t?*f?*k?1sh?n), n. [Cf. F. rectification.] The act or operation of rectifying; as, the rectification of an error; the rectification of spirits. After the rectification of his views, he was incapable of compromise with ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
c.1400, from Old French rectificacion (14c.) or directly from Late Latin rectificationem (nominative rectificatio ), noun of action from past participle stem of rectificare (see rectify ).

Wikipedia Word definitions in Wikipedia
Rectification has the following technical meanings:

Wiktionary Word definitions in Wiktionary
n. 1 The action or process of rectify. 2 (context geometry English) The determination of a straight line whose length is equal to a portion of a curve. 3 (context astronomy English) The adjustment of a globe preparatory to the solution of a proposed problem. ...

WordNet Word definitions in WordNet
n. (chemistry) the process of refinement or purification of a substance by distillation the conversion of alternating current to direct current the act of offering an improvement to replace a mistake; setting right [syn: correction ] determination of the ...