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Geoffroy, Étienne François

(Encyclopedia)Geoffroy, Étienne François ātyĕnˈ fräNswäˈ zhôfrwäˈ [key], 1672–1731, French physician and chemist, also known as Geoffroy the Elder. He became a pharmacist in 1694 and received an M.D. a...

Geoffroy Saint-Hilaire, Étienne

(Encyclopedia)Geoffroy Saint-Hilaire, Étienne ātyĕnˈ zhôfrwäˈ săNtēlĕrˈ [key], 1772–1844, French zoologist. He was professor at the Museum of Natural History (1793–1840) and also at the Faculty of Sc...

bismuth

(Encyclopedia)bismuth bĭzˈməth [key] [Ger. Weisse Masse=white mass], metallic chemical element; symbol Bi; at. no. 83; at. wt. 208.98040; m.p. 271.3℃; b.p. about 1,560℃; sp. gr. 9.75 at 20℃; valence +3 or ...

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