Urdu Meanings, Pronounciation and Synonyms:
Sir Humphrey Davy
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: Sir Humphrey Davy
| 1. Sir Humphrey Davy [ Synonyms: davy, humphrey davy] | |
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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)
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