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Berthollet, Claude Louis, Comte

(Encyclopedia)Berthollet, Claude Louis, Comte klōd lwē, kôNt bĕrtōlāˈ [key], 1748–1822, French chemist. His contributions to chemistry include the analysis of ammonia and prussic acid and the discovery of ...

Love Canal

(Encyclopedia)Love Canal, section of Niagara Falls, N.Y., that formerly contained a canal that was used as chemical disposal site. In the 1940s and 50s the empty canal was used by a chemical and plastics company to...

catabolism

(Encyclopedia)catabolism kətăbˈəlĭzˌəm [key], subdivision of metabolism involving all degradative chemical reactions in the living cell. Large polymeric molecules such as polysaccharides, nucleic acids, and ...

Alexius II

(Encyclopedia)Alexius II (Alexius Comnenus), 1168–83, Byzantine emperor (1180–83), son and successor of Manuel I. His mother, Mary of Antioch, who was regent for him, alienated the population by favoring the La...

Artevelde, Jacob van

(Encyclopedia)Artevelde, Jacob van yäˈkôp vän ärˈtəvĕldə [key], c.1290–1345, Flemish statesman, of a wealthy family of Ghent. In 1337 the Flemish cloth industry underwent a severe crisis. The pro-French ...

Goslar

(Encyclopedia)Goslar gôsˈlär [key], city, Lower Saxony, central Germany, at the northern foot of the Har...

intoxication

(Encyclopedia)intoxication, condition of body tissue affected by a poisonous substance. Poisonous materials, or toxins, are to be found in heavy metals such as lead and mercury, in drugs, in chemicals such as alcoh...

Potosí

(Encyclopedia)Potosí pōtōsēˈ [key], city (1992 pop. 112,078), capital of Potosí dept., S Bolivia, at the foot of one of the world's richest ore mountains. In the cold, bleak, high Andes at an altitude of c.13...

Provo, city, United States

(Encyclopedia)Provo prōˈvō [key], city (1990 pop. 86,835), seat of Utah co., N central Utah, on the Provo River near Utah Lake; inc. 1851. It is a distribution, processing, and manufacturing center in an extensi...

carbon dioxide

(Encyclopedia)carbon dioxide, chemical compound, CO2, a colorless, odorless, tasteless gas that is about one and one-half times as dense as air under ordinary conditions of temperature and pressure. It does not bur...