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The Collaborative International Dictionary
Cohobating

Cohobate \Co`ho*bate\, v. t. [imp. & p. p. Cohobated; p. pr. & vb. n. Cohobating.] [LL. cohobare; prob. of Arabic origin: cf. F. cohober.] (Anc. Chem.) To repeat the distillation of, pouring the liquor back upon the matter remaining in the vessel.
--Arbuthnot.