(chemistry) the process of refinement or purification of a substance by distillation
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the conversion of alternating current to direct current
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the act of offering an improvement to replace a mistake; setting right
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determination of the length of a curve; finding a straight line equal in length to a given curve
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Rectification \Rec`ti*fi*ca"tion\ (r?k`t?*f?*k?1sh?n), n. [Cf. F. rectification.] 1. The act or operation of rectifying; as, the rectification of an error; the rectification of spirits.
After the rectification of his views, he was incapable of compromise with profounder shapes of error. --De Quincey.
2. (Geom.) The determination of a straight line whose length is equal a portion of a curve.
{Rectification of a globe} (Astron.), its adjustment preparatory to the solution of a proposed problem.
He hoped the coming days would bring 'some rectification'.
On Tuesday, he said things have improved and the "first fruits" of his rectification campaign are being seen.