rectification

noun

1. (chemistry) the process of refinement or purification of a substance by distillation

Definition categories: process, purification, refinement, refining

2. the conversion of alternating current to direct current

Definition categories: event, changeover, conversion, transition

3. the act of offering an improvement to replace a mistake; setting right

Similar word(s): correction

Definition categories: act, improvement

4. determination of the length of a curve; finding a straight line equal in length to a given curve

Definition categories: act, determination, finding