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Alkahest \Al"ka*hest\, n. [LL. alchahest, F. alcahest, a word that has an Arabic appearance, but was probably arbitrarily formed by Paracelsus.] The fabled ``universal solvent'' of the alchemists; a menstruum capable of dissolving all bodies. -- {Al`ka*hes"tic}, a.
alkahest n : hypothetical universal solvent once sought by alchemists [syn: {alcahest}, {universal solvent}]