REC'TIFY, L. rectus, right, and facio, to make.

1. To make right to correct that which is wrong, erroneous or false to amend as, to rectify errors, mistakes or abuses to rectify the will, the judgment, opinions to rectify disorders.
2. In chimistry, to refine by repeated distiliation or sublimation, by which the fine parts of a substance are separated from the grosser as, to rectify spirit or wine.
3. To rectify the globe, is to bring the sun's place in the ecliptic on the globe to the brass meridian.