adjective
(archaic) Practising chemistry (or, earlier, alchemy); pertaining to these sciences.
(obsolete) Produced through alchemy; counterfeit.
(now rare) Chemical.
noun
(now rare) A chemist or (earlier) an alchemist.
(obsolete) A solution of chloride of lime, used in bleaching.
verb
(obsolete, transitive) To bleach with a solution of chloride of lime.