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Boussingault, Jean Baptiste Joseph Dieudonné

(Encyclopedia)Boussingault, Jean Baptiste Joseph Dieudonné zhäN bätēstˈ zhôzĕfˈ dyödônāˈ bo͞osăNgōˈ [key], 1802–87, French agricultural chemist. He was professor of chemistry at Lyons and later pr...

formality

(Encyclopedia)formality, in chemistry: see chemical equilibrium; concentration. ...

Kendall, Edward Calvin

(Encyclopedia)Kendall, Edward Calvin, 1886–1972, American biochemist, b. South Norwalk, Conn., grad. Columbia (B.S., 1908; Ph.D., 1910). At St. Luke's Hospital, New York City, he did research on the thyroid gland...

pharmacology

(Encyclopedia)pharmacology, study of the changes produced in living animals by chemical substances, especially the actions of drugs, substances used to treat disease. Systematic investigation of the effects of drug...

Lémery, Nicolas

(Encyclopedia)Lémery, Nicolas nēkôläˈ lāmərēˈ [key], 1645–1715, French chemist. He was a pharmacist and lecturer in Paris and was the author of a standard textbook in chemistry (1675) and of a treatise o...

Bologna, University of

(Encyclopedia)Bologna, University of, at Bologna, Italy; founded in the 11th cent. It originated as a school where law books brought from Ravenna were interpreted. It has faculties of law, political science, econom...

alchemy

(Encyclopedia)alchemy ălˈkəmē [key], ancient art of obscure origin that sought to transform base metals (e.g., lead) into silver and gold; forerunner of the science of chemistry. Some scholars hold that it was ...

Crater Lake National Park

(Encyclopedia)Crater Lake National Park, 183,224 acres (74,206 hectares), SW Oreg., in the Cascade Range; est. 1902. Crater Lake, 20 sq mi (52 sq km), lies in a huge pit that was created when the top of a prehistor...

Sierra Nevada, mountain range, United States

(Encyclopedia)Sierra Nevada sēĕrˈə nəväˈdə [key], mountain range, c.400 mi (640 km) long and from c.40 to 80 mi (60–130 km) wide, mostly in E Calif. It rises to 14,495 ft (4,418 m) in Mt. Whitney, the hig...

Mitchell, Peter Dennis

(Encyclopedia)Mitchell, Peter Dennis, 1920–92, British chemist, Ph.D. Cambridge, 1950. A professor at the Univ. of Edinburgh (1955–63), Mitchell was named director of Glynn Research Laboratories in 1964. He for...