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hamster

(Encyclopedia)hamster, Old World rodent, related to the voles, lemmings, and New World mice. There are many hamster species, classified in several genera. All are solitary, burrowing, nocturnal animals, with chunky...

marten

(Encyclopedia)marten, name for carnivorous, largely arboreal mammals (genus Martes) of the weasel family, widely distributed in North America, Europe, and central Asia. Martens are larger, heavier-bodied animals th...

poliomyelitis

(Encyclopedia)poliomyelitis pōˌlēōmīˌəlīˈtĭs [key], polio, or infantile paralysis, acute viral infection, mainly of children but also affecting older persons. Historically, there were three immunologic ty...

Acheson, Dean Gooderham

(Encyclopedia)Acheson, Dean Gooderham ăchˈĭsən [key], 1893–1971, U.S. secretary of state (1949–53), b. Middletown, Conn., grad. Yale, Harvard Law School. He was (1919–21) private secretary to Louis Brande...

Carlton Club

(Encyclopedia)Carlton Club, British political and social club (founded 1832). Located in London, it was long the center of the Conservative party organization. Since World War II the club has been primarily social....

Institute of International Law

(Encyclopedia)Institute of International Law, Fr., Institut de Droit International, private international organization, est. 1873 in Ghent, Belgium, dedicated to the study, development, and implementation of intern...

Rivers, William Halse Rivers

(Encyclopedia)Rivers, William Halse Rivers, 1864–1922, British anthropologist. He taught at Cambridge from 1893 until shortly before his death. Trained in medicine and psychology, he pioneered in the experimental...

Chicago, river, United States

(Encyclopedia)Chicago, river, formed in Chicago by the junction of its North Branch (24 mi/39 km long) and South Branch (10 mi/16 km long), and flowing southeast via a canal into the Des Plaines River at Lockport, ...

Finnmark

(Encyclopedia)Finnmark fĭnˈmärk [key], county, 18,783 sq mi (46,648 sq km), N Norway, bordering on the A...

Esdraelon

(Encyclopedia)Esdraelon ĕsˌdrəēˈlən [key] [Gr. for Jezreel], fertile plain, c.200 sq mi (520 sq km), extending southeast c.25 mi (40 km) between the coastal plain, near Mt. Carmel, and the Jordan River valley...