1. (chemistry) the process of refinement or purification of a substance by distillation 
2. The conversion of alternating current to direct current 
3. The act of offering an improvement to replace a mistake; setting right
   - correction 
4. Determination of the length of a curve; finding a straight line equal in length to a given curve

Derived forms: rectifications

See also: rectify

Type of: changeover, conversion, determination, finding, improvement, purification, refinement, refining, transition

Encyclopedia: Rectification

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