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

Category: General

2.Definition: determination of the length of a curve; finding a straight line equal in length to a given curve

Category: General

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

Related Noun(s):correction

Category: General

4.Definition: the conversion of alternating current to direct current

Category: General