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algebra

(Encyclopedia)algebra, branch of mathematics concerned with operations on sets of numbers or other elements that are often represented by symbols. Algebra is a generalization of arithmetic and gains much of its pow...

Saunders, Sir Charles

(Encyclopedia)Saunders, Sir Charles, 1713?–1775, British admiral. He had seen 32 years of service in the British navy when he was selected in the French and Indian War to command the fleet that carried (1759) the...

Senior, Nassau

(Encyclopedia)Senior, Nassau, 1790–1864, English economist. A graduate of Oxford, he was called there in 1825 to fill the first chair of political economy in England. In An Outline of the Science of Political Eco...

Burt, Cyril Lodowic

(Encyclopedia)Burt, Cyril Lodowic lŏdˈəwĭk, lōˈdə– [key], 1883–1971, British psychologist. Educated at Oxford and Würzburg, he became a prominent figure in psychology. Burt made significant contribution...

Achaea

(Encyclopedia)Achaea əkēˈə [key], region of ancient Greece, in the northern part of the Peloponnesus on the Gulf of Corinth. It lay between Sicyon and Elis. There the Achaeans supposedly remained when driven fr...

Hess, Moses

(Encyclopedia)Hess, Moses, 1812–75, German socialist. He was responsible for converting Engels to Communism, and he early introduced Marx to social and economic problems. Hess played a prominent role in transform...

Fort Pillow

(Encyclopedia)Fort Pillow, fortification on the Mississippi River, N of Memphis, Tenn.; built by Confederate Gen. Gideon Pillow in 1862. Evacuated by the Confederates after the fall of Island No. 10 to the north, t...

indigestion

(Encyclopedia)indigestion or dyspepsia, discomfort during or after eating caused by some interference with the normal digestive process. Symptoms include nausea, heartburn, abdominal pain, gas distress, and a feeli...

monetarism

(Encyclopedia)monetarism, economic theory that monetary policy, or control of the money supply, is the primary if not sole determinant of a nation's economy. Monetarists believe that management of the money supply ...

diverticulosis

(Encyclopedia)diverticulosis, a disorder characterized by the presence of diverticula, which are small, usually multiple saclike protrusions through the wall of the colon (large intestine). Diverticula usually do n...