COHOBATE
Etymology
Verb
cohobate (third-person singular simple present cohobates, present participle cohobating, simple past and past participle cohobated)
(chemistry, alchemy) To treat a material with a boiling liquid and repeatedly return the distillate.
Noun
cohobate (plural cohobates)
The concentrated distillate so formed
Source: Wiktionary
Co`ho*bate, v. t. [imp. & p. p. Cohobated; p. pr. & vb. n.
Cohobating.] Etym: [LL. cohobare; prob. of Arabic origin: cf. F.
cohober.] (Anc. Chem.)
Definition: To repeat the distillation of, pouring the liquor back upon the
matter remaining in the vessel. Arbuthnot.
Source: Webster’s Unabridged Dictionary 1913 Edition