/ Thesaurus Find synonyms for: Noun1. rectification, refining, refinement, purificationusage: (chemistry) the process of refinement or purification of a substance by distillation2. rectification, conversion, transition, changeoverusage: the conversion of alternating current to direct current3. correction, rectification, improvementusage: the act of offering an improvement to replace a mistake; setting right4. rectification, determination, findingusage: determination of the length of a curve; finding a straight line equal in length to a given curveWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: rectification (Dictionary) Related Content Daily Word Quiz: sublime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index