Pronunciation: (kō'hō-bāt"), [key]
—v.t., -bat•ed, -bat•ing. Pharm.
to distill again from the same or a similar substance, as by pouring a distilled liquid back upon the matter remaining in the vessel, or upon another mass of similar matter.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.