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actinomycin

(Encyclopedia)actinomycin ăkˌtənōmīˈsən [key], any one of a group of antibiotics produced by bacteria of the genus Streptomyces. Actinomycin was the first antibiotic reported to be able to halt cancer; howev...

Golden Dawn, Hermetic Order of the

(Encyclopedia)Golden Dawn, Hermetic Order of the, occult-oriented fraternal organization established by the Freemasons in England (1888), led by S. L. MacGregor Mathers (1854–1917). The order's rituals were deriv...

David d'Angers

(Encyclopedia)David d'Angers or Pierre-Jean David dävēdˈ däNzhāˈ; pyĕr-zhäN [key], 1788–1856, French sculptor. His works are numerous and present national figures, often nude, in statues, busts, reliefs, ...

Destutt de Tracy, Antoine Louis Claude, Comte

(Encyclopedia)Destutt de Tracy, Antoine Louis Claude, Comte äNtwänˈ lwē klōd kôNt dĕstütˈ də träsēˈ [key], 1754–1836, French philosopher and psychologist. Although active in the Napoleonic government...

ethyl

(Encyclopedia)ethyl ĕthˈəl [key], CH3CH2, organic free radical or alkyl group derived from ethane by removing one hydrogen atom. ...

Etowah

(Encyclopedia)Etowah ĕtˈəwôˌ, āˈtə– [key], river, 141 mi (227 km) long, rising in the Blue Ridge Mts., N Ga., and flowing SW to Rome, Ga., where it joins the Oostanaula River to form the Coosa. Allatoona ...

Troms

(Encyclopedia)Troms trôms, tro͝oms [key], county (1995 pop. 150,606), c.10,070 sq mi (26,080 sq km), N Norway, bordering on the Norwegian Sea (an arm of the Atlantic Ocean) in the west and on Sweden and Finland i...

polycarbonates

(Encyclopedia)polycarbonates, group of clear, thermoplastic polymers used mainly as molding compounds (see plastic). Polycarbonates are prepared by the reaction of an aromatic difunctional phenol with either phosge...

Quids

(Encyclopedia)Quids, in U.S. political history, an extreme states' rights group of Jeffersonian Republicans led by John Randolph of Virginia. Feeling that Thomas Jefferson and James Madison had retreated from the s...

Higginson, Francis

(Encyclopedia)Higginson, Francis, 1586–1630, American colonial clergyman, b. Leicestershire, England, M.A. Cambridge, 1613. Admitted (1614) to the ministry of the Church of England, he later became a nonconformis...