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scopolamine
(Encyclopedia)scopolamine hīˈəsēnˌ, –sĭn [key], alkaloid drug obtained from plants of the nightshade family (Solanaceae), chiefly from henbane, Hyoscyamus niger. Structurally similar to the nerve substance ...Kristeva, Julia
(Encyclopedia)Kristeva, Julia, 1941–, French critic, psychoanalyst, semiotician, and writer, b. Sliven, Bulgaria. Writing in French, she has explored many subjects including structuralist linguistics and semiotic...Faiyum, El
(Encyclopedia)Faiyum, El fīyo͞omˈ [key], region, coextensive with El Faiyum governorate, N Egypt, W of the Nile River, a depression (entirely below sea level) in the Libyan (or Western) Desert. It is an irrigat...caffeine
(Encyclopedia)caffeine kăfēnˈ [key], odorless, slightly bitter alkaloid found in coffee, tea, kola nuts (see cola), ilex plants (the source of the Latin American drink maté), and, in small amounts, in cocoa (se...Central America
(Encyclopedia)Central America, narrow, southernmost region (c.202,200 sq mi/523,698 sq km) of North America, linked to South America at Colombia. It separates the Caribbean from the Pacific. Historically, geographe...Farm Credit Administration
(Encyclopedia)Farm Credit Administration (FCA), an independent agency of the executive branch of the federal government that supervises and regulates the Farm Credit System (FCS) for American agriculture. The Farm ...Styron, William
(Encyclopedia)Styron, William, 1925–2006, American novelist, b. Newport News, Va., grad. Duke, 1947. His fiction is often powerful, deeply felt, poetic, and elegiac. He became well known for his novel The Confess...Hudson Bay
(Encyclopedia)Hudson Bay, inland sea of North America, c.475,000 sq mi (1,230,000 sq km), c.850 mi (1,370 km) long and c.650 mi (1,050 km) wide, E central Canada. Hudson Bay and James Bay (its southern extension) a...Parkinson's disease
(Encyclopedia)Parkinson's disease or Parkinsonism, degenerative brain disorder first described by the English surgeon James Parkinson in 1817. When there is no known cause, the disease usually appears after age 40 ...contour
(Encyclopedia)contour or contour line, line on a topographic map connecting points of equal elevation above or below mean sea level. It is thus a kind of isopleth, or line of equal quantity. Contour lines are drawn...Browse by Subject
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