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Curzon of Kedleston, George Nathaniel Curzon, 1st Marquess

(Encyclopedia)Curzon of Kedleston, George Nathaniel Curzon, 1st Marquess kûrˈzən, kĕdˈəlstən [key], 1859–1925, British statesman. A member of the minor aristocracy, he attended Eton and Oxford. From his un...

debenture

(Encyclopedia)debenture dəbĕnˈchər [key], document acknowledging indebtedness. In Great Britain a debenture is practically the same as a bond, and debenture stock is similar to preferred stock. In the United St...

formyl group

(Encyclopedia)formyl group fôrˈmĭl [key], in chemistry, functional group that consists of a carbonyl group joined by a single bond to a hydrogen atom. Aldehydes are compounds that contain a formyl group joined b...

hydroxyl group

(Encyclopedia)hydroxyl group hīdrŏkˈsĭl [key], in chemistry, functional group that consists of an oxygen atom joined by a single bond to a hydrogen atom. An alcohol is formed when a hydroxyl group is joined by ...

Harvard College Observatory

(Encyclopedia)Harvard College Observatory, astronomical observatory located in Cambridge, Mass., operated by Harvard (Harvard College at the time of the observatory's founding in 1839). Its equipment includes a 61-...

resonance, in chemistry

(Encyclopedia)resonance, in chemistry: see chemical bond. ...

Alexander, Harold Rupert Leofric George, 1st Earl Alexander of Tunis

(Encyclopedia)Alexander, Harold Rupert Leofric George, 1st Earl Alexander of Tunis lĕfˈrĭk [key], 1891–1969, British field marshal. His long military career began with service in World War I, followed by a per...

Putnam, George Palmer, 1887–1950, American author and explorer

(Encyclopedia)Putnam, George Palmer, 1887–1950, American author and explorer, b. Rye, N.Y.; grandson of G. P. Putnam, founder of the publishing firm. He led two expeditions to the Arctic—one in 1926, under the ...

Sauvage, Jean-Pierre

(Encyclopedia)Sauvage, Jean-Pierre, 1944–, French chemist, Ph.D. Univ. of Strasbourg, 1971. He has spent his entire career as a researcher at the National Center for Scientific Research and a professor at the Uni...

Clarendon, George William Frederick Villiers, 4th earl of

(Encyclopedia)Clarendon, George William Frederick Villiers, 4th earl of, 1800–1870, British statesman. He was ambassador (1833–39) to Spain during the difficult period of the Carlist war and then lord privy sea...