What is another word for "menstruum"?

Roget's Thesaurus (1911) lists these synonyms for "menstruum": alkahest, apozem, colliquation, colliquative, colliquefaction, condense, deliquation, deliquesce, deliquescence, deliquescent, dissolution, dissolve, flux, heat, hold, infusion, liquate, liquation, liquefaction, liquefiable, liquefy, liquescency, liquescent, liquid, lixiviation, lixivium, melt, melting, precipitate, rain, render, resolve, run, soluble, solution, solve, solvent, thaw.