rectification
noun
[ rɛktɪfɪˈkeɪʃ(ə)n ]
• the action of putting something right.
• "rectification of common errors in letter writing"
• the conversion of an alternating current to a direct current.
• "the inward rectification of single-channel currents"
• the purification or refinement of a substance by repeated or continuous distillation.
• "the light oil obtained by these processes also needs to be treated through the process of rectification"
