| Fractionate (v. t.) To separate into different portions or fractions, as in the distillation of liquids. Thesaurus Entries aerate, aerify, atomize, carbonate, chlorinate, distill, emit, etherify, etherize, evaporate, exhale, fluidize, fume, fumigate, gasify, give off, hydrogenate, oxygenate, perfume, reek, send out, smoke, spray, steam, sublimate, sublime, vaporize, volatilize |