Emily Dickinson Lexicon

REC-TI-FI-CA'TION, n.¹ [Fr. See Rectify.]

1. The act or operation of correcting, amending or setting right that which is wrong or erroneous; as, the rectification of errors, mistakes or abuses. – Forbes.
2. In chimistry, the process of refining or purifying any substance by repeated distillation, which separates the grosser parts; as, the rectification of spirits or sulphuric acid. – Nicholson. Encyc.