'Humphrey Davy' definitions:
Definition of 'Humphrey Davy'
(from WordNet)
noun
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) [syn: Davy, Humphrey Davy, Sir Humphrey Davy]