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Webster 1913 Edition

Noun.

[Cf. F.

cohobation

(Anc. Chem.)

The process of cohobating.

Grew.

Noun.

The operation of repeatedly distilling the same liquor, or that from the same substance.

cohobation ‎(plural cohobations)

(dated, chemistry) The boiling of a material in a liquid with the repeated return of the distillate.

the boiling of a material in a liquid with the repeated return of the distillate