alkahest alk • alkahestic · · · Info · Definitions · Synonyms · Characters · · alkahest · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) hypothetical universal solvent once sought by alchemists. Synonyms: alcahest, universal solvent. · · Noun Definition 1 Synonyms · · · alcahest · · Synonym 1 universal solvent · · Synonym 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 k latin small letter k U+006B l latin small letter l U+006C s latin small letter s U+0073 t latin small letter t U+0074