REC'TIFY, v.t. [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.