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hypothalamus

(Encyclopedia)hypothalamus hīˌpəthălˈəməs [key], an important supervisory center in the brain, rich in ganglia, nerve fibers, and synaptic connections. It is composed of several sections called nuclei, each ...

insomnia

(Encyclopedia)insomnia, abnormal wakefulness or inability to sleep. The condition may result from illness or physical discomfort, or it may be caused by stimulants such as coffee or drugs. However, frequently some ...

brucellosis

(Encyclopedia)brucellosis bro͞oˌsəlōˈsĭs [key] or Bang's disease, infectious disease of farm animals that is sometimes transmitted to humans. In humans the disease is also known as undulant fever, Mediterrane...

zebu

(Encyclopedia)zebu zēˈbyo͞o [key], domestic animal of the cattle family, Bos indicus, found in parts of E Asia, India, and Africa. The zebu characteristically has a large fatty hump (sometimes two humps) over th...

mendelevium

(Encyclopedia)mendelevium mĕndəlāvˈēəm [key], artificially produced radioactive chemical element; symbol Md; at. no. 101; mass no. of most stable isotope 258; m.p. 827℃; b.p. and sp. gr. unknown; valence +1...

Albee, Edward

(Encyclopedia)Albee, Edward ălˈbē [key], 1928–2016, American playwright, one of the leading dramatists of his generation, b. Washington, D.C., as Edward Harvey. His most characteristic work constitutes an absu...

Tudor style

(Encyclopedia)Tudor style, descriptive of the English architecture and decoration of the first half of the 16th cent., prevailing during the reigns (1485–1558) of Henry VII, Henry VIII, Edward VI, and Mary I. It ...

Princeton University

(Encyclopedia)Princeton University, at Princeton, N.J.; coeducational; chartered 1746, opened 1747, rechartered 1748, called the College of New Jersey until 1896. Established by the “New Light” (evangelical) ...

Frick, Henry Clay

(Encyclopedia)Frick, Henry Clay, 1849–1919, American industrialist, b. Westmoreland co., Pa. He worked on his father's farm, was a store clerk, and did bookkeeping before he and several associates organized (1871...

yak

(Encyclopedia)yak, bovine mammal, Bos grunniens, of the Tibet region of China and adjacent areas. It is oxlike in build, with short, thick legs, humped shoulders, large upcurved horns, and a thick coat that hangs d...