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Duniway, Abigail Scott

(Encyclopedia) Duniway, Abigail ScottDuniway, Abigail Scottdŭnˈəwāˌ [key], 1834–1915, American editor and advocate of women's rights, b. near Groveland, Ill. She went to Oregon with her family in…

Hyde Park, park, London, England

(Encyclopedia) Hyde Park, 615 acres (249 hectares) in Westminster borough, London, England. Once the manor of Hyde, a part of the old Westminster Abbey property, it became a deer park under Henry…

instrument-landing system

(Encyclopedia) CE5 Instrument-landing system (ILS), the most common instrument-landing approach system, uses two beams to guide an airplane. instrument-landing system (ILS), ground-based radio…

streamline

(Encyclopedia) streamline, path of a fluid flowing steadily and without appreciable turbulence. A body is said to be streamlined if its shape offers the least possible resistance to a current of air…

Kirchhoff's laws

(Encyclopedia) Kirchhoff's laws [for Gustav R. Kirchhoff], pair of laws stating general restrictions on the current and voltage in an electric circuit. The first of these states that at any given…

Kupala, Janka

(Encyclopedia) Kupala, JankaKupala, Jankayängˈkä k&oomacr;päˈlä [key], 1888–1942, Belorussian poet and writer, whose original name was Ivan Lutsevich. Kupala was a major figure of the Belorussian…

diurnal circle

(Encyclopedia) diurnal circlediurnal circledīûrˈnəl [key], apparent path followed by a star due to the earth's rotation on its axis. The stars appear to move on the celestial sphere in concentric…

Howard, Sir Ebenezer

(Encyclopedia) Howard, Sir Ebenezer, 1850–1928, English town planner, principal founder of the English garden-city movement. His To-morrow: a Peaceful Path to Real Reform (1898), reissued as Garden…

ecliptic coordinate system

(Encyclopedia) ecliptic coordinate system, an astronomical coordinate system in which the principal coordinate axis is the ecliptic, the apparent path of the sun through the heavens. The ecliptic…

Heaviside, Oliver

(Encyclopedia) Heaviside, OliverHeaviside, Oliverhĕvˈēsīdˌ [key], 1850–1925, English physicist. He did valuable work in telephony and in the theory of electrical conduction in cables and other areas…