- rectification - (chemistry) the process of refinement or purification of a substance by distillation
--1 is a kind of refining, refinement, purification
Derived form: verb rectify2 - rectification - the conversion of alternating current to direct current
--2 is a kind of conversion, transition, changeover
Derived form: verb rectify6 - correction, rectification - the act of offering an improvement to replace a mistake; setting right
--3 is a kind of improvement
--3 has particulars:redress, remedy, remediation; retribution; recompense, compensation; amendment; emendation Derived forms: verb rectify3, verb rectify5, verb rectify4 - rectification - determination of the length of a curve; finding a straight line equal in length to a given curve
--4 is a kind of determination, finding
Derived form: verb rectify1