n English chemist who was a pioneer in electrochemistry and who used it to isolate elements sodium and potassium and barium and boron and calcium and magnesium and chlorine (1778-1829)
n a form of insulin (trade name Humulin) made from recombinant DNA that is identical to human insulin; used to treat diabetics who are allergic to preparations made from beef or pork insulin
n hops: hardy perennial vines of Europe, North America and central and eastern Asia producing a latex sap; in some classifications included in the family Urticaceae