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geochemistry

(Encyclopedia)geochemistry, study of the chemical changes on the earth. More specifically, it is the study of the absolute and relative abundances of chemical elements in the minerals, soils, ores, rocks, water, an...

Loubet, Émile François

(Encyclopedia)Loubet, Émile François āmēlˈ fräNswäˈ lo͞obāˈ [key], 1838–1929, president of the French republic (1899–1906). As a member of the chamber of deputies, he advocated secular education. Aft...

Ravel, Maurice

(Encyclopedia)Ravel, Maurice mōrēsˈ rävĕlˈ [key], 1875–1937, French composer, b. in the Pyrenees. He entered the Paris Conservatory in 1889, where he was later a student of Fauré. Ravel became a leading ex...

Geneva Conference

(Encyclopedia)Geneva Conference, any of various international meetings held at Geneva, Switzerland. Some of the more important ones are discussed here. 1 International conference held Apr.–July, 1954, to restore ...

Dreyfus Affair

(Encyclopedia)Dreyfus Affair drāˈfəs, drī– [key], the controversy that occurred with the treason conviction (1894) of Capt. Alfred Dreyfus (1859–1935), a French artillery officer and graduate of the French ...

Seychelles

(Encyclopedia)CE5 Seychelles sāshĕlzˈ [key], officially Republic of Seychelles, republic (2015 est. pop. 94,000), c.110 sq mi (285 sq km), comprising approximately 100 islands in the Indian Ocean, c.600 mi (9...

song

(Encyclopedia)song, relatively brief, simple vocal composition, usually a setting of a poetic text, often strophic, for accompanied solo voice. The song literature of Western music embodies two broad classification...

Rulers of France since 987 (table)

(Encyclopedia)Rulers of France since 987(including dates of reign) The Capetians House of Valois House of Bourbon The First Republic The First Empire Bourbon Restoration House of Bourbon-Orléans T...

Sahara

(Encyclopedia)Sahara səhârˈə [key] [Arab.,=desert], world's largest desert, c.3,500,000 sq mi (9,065,000 sq km), N Africa; the western part of a great arid zone that continues into SW Asia. Extending more than ...

battery, electric

(Encyclopedia)CE5 Lead storage cell: At the lead-dioxide electrode, electrons from the circuit combine with lead dioxide and sulfuric acid to form lead sulfate and water. At the spongy-lead electrode, lead react...

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