The proper rectification of the expression would be to insert the adverb as

H. Blair, Rhetoric, xxif. (0) The proce of refining a substance by repeated or fractional distillation: it is in this way freed from other substances which are either more or le volatile than rectification itself, or from non-volatile matters: as, the rectification of spirits. The concentration of sulphuric acid in platinum or gla ve els is sometimes (improperly) called rectifica tion. The proce of rectification is generally done by redistilling, and filtering through alternate layers of woolen blankets, sand, and granulated bone or maple charcoal. Pop. Sci . Mo. , XXIX. 80. (c) In geom ., the determination of a straight line whose length is equal to a given portion of a curve; the finding a formula for the length of the arc of a given curve. Rectification of a globe, in astron , and geog ., the adjustment of it preparatory to the solution of a proposed problem. rectified (rek'ti-fid), p . a . [Pp. of rectify .] 1. Made right; corrected. Be just therefore to thyself all the way, pay thyself, and take acquittances of thyself, all the way, which is only done under the seal and in the testimony of a rectified conscience. Donne, Sermons, ix. 2. In hort . , developed in a desired direction, as when plain tulips are propagated till they sport into variegated forms. Some of the progeny "break," that is, produce flowers with the variegation which is so much prized. The flower is then said to be " rectified . ” Encyc. Brit., XII. 259. rectifier (rekʼti-fi-ér), n . [ rectify + -er1.] One who or that which rectifies. ( a ) One who cor rects or amends. Fast friend he was to reformation,... Next rectifier of wry law. Š . Butler , Hudibras, I. ii. 432. (b) One who refines a substance by repeated distillations or by filtering or any other method; specifically, one who rectifies liquors. (c) In the distillation of alcoholic liquors: (1) A ve el or receptacle in which a second distillation is carried on, to condense the liquor and increase its alcoholic strength, or to flavor it by exposing the flavoring substance to the vaporized spirit. (2) A cylindrical ve el continuous with a primary still, in which repeated distillations occur till the alcohol reaches the desired strength. Also called rectifying column , and simply column . (dt) An instrument formerly used for indicating the errors of the compa . Falconer . rectify (rek'ti-fi), v . t .; pret. and pp. rectified , ppr. rectifying . [Early mod. E. rectifie , rectyfye ; rectifier = Pr. Sp. Pg. rectificar It. rettificare , rectificare , make right, plane with the curve to which it belongs, the latter is unrolled into a right line: it is perpendicular to the normal and the osculating planes. - Rectifying edge, the cuspidal edge of the rectifying developable. - Rectifying line, the line common to two consecutive rectifying planes.Rectifying plane, a plane tangent to the rectifying surface. To rectify alcoholic liquors. See def. 2.-To rectify a sun-dial. See the quotation. To rectify the dial (using the old expre ion, which means to prepare the dial for an observation).