–verb (used with object), -bat⋅ed, -bat⋅ing.Pharmacology.
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.
Origin: 1635–45; < NL cohobātus (ptp. of cohobāre), equiv. to kohob repetition (Paracelsian term, perh. < dial. Ar kaʿab second) + -ātus-ate1
Main Entry: co·ho·ba·tion Pronunciation: "kO-&-'bA-sh&n, "kO-(h)O-'bA- Function: noun : repeated distillation usually bysubjecting a distillate to a new act of distillation —co·ho·bate/'kO-&-"bAt, 'kO-(h)O-, k&-'hO-/transitive verb-bat·ed;-bat·ing
[koh-hoh-beyt] 
