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

In a cohortative way.

plural of cohobation

plural of cohosh

Of or pertaining to cohomology.

(chemistry, alchemy) To treat a material with a boiling liquid and repeatedly return the distillate.

The concentrated distillate so formed

A female cohost.

(rare) Of a woman: To act as a joint host.

plural of cohostess