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Kootenai, river, Canada and the United States

(Encyclopedia)Kootenai ko͞oˈtĭnā [key], river, 407 mi (655 km) long, rising in the Rocky Mts., SE British Columbia, Canada. It flows S into NW Montana, NW through N Idaho, then N into Canada. There it flows thr...

Yukon, river, Canada and the United States

(Encyclopedia)Yukon yo͞oˈkŏn [key], river, c.2,000 mi (3,220 km) long, rising in Atlin Lake, NW British Columbia, Canada, and receiving numerous headwater streams; one of the longest rivers of North America. It ...

Davenport, Charles Benedict

(Encyclopedia)Davenport, Charles Benedict dăvˈənpôrtˌ [key], 1866–1944, American zoologist, b. Stamford, Conn., Ph.D. Harvard, 1892. As director (1904–34) of the experimental station of Carnegie Institutio...

hegemony

(Encyclopedia)hegemony hĭjĕmˈənē, hē–, hĕjˈəmōˌnē, hĕgˈə– [key], [Gr.,=leadership], dominance, originally of one Greek city-state over others, the term has been extended to refer to the dominance...

Anhui

(Encyclopedia)Anhui or Anhwei both: änˈhwāˈ [key], province, c.55,000 sq mi (142,450 sq km), E central China. Hefei is the capital. Anhui may be divided into two climatic areas. The north...

cerium

(Encyclopedia)cerium sērˈēəm [key] [from the asteroid Ceres], metallic chemical element; symbol Ce; at. no. 58; at. wt. 140.116; m.p. 799℃; b.p. 3,426℃; sp. gr. 6.77 at 25℃; valence +3 or +4. Cerium is a ...

hardening

(Encyclopedia)hardening, in metallurgy, treatment of metals to increase their resistance to penetration. A metal is harder when it has small grains, which result when the metal is cooled rapidly. Sometimes small ar...

Christo

(Encyclopedia)Christo krĭsˈtō [key], 1935–2020, Bulgarian-American artist, b. Gabrovo as Christo Vladimirov Javacheff, studied Sofia, Vienna, and Paris. His early experiments in assemblage led to his trademark...

Jerrold, Douglas William

(Encyclopedia)Jerrold, Douglas William jĕrˈəld [key], 1803–57, English humorist and playwright. His plays Blackeyed Susan (1829) and Time Works Wonders (1845) were highly successful. Jerrold is best known, how...

Chelsea ware

(Encyclopedia)Chelsea ware, chinaware made in the mid-18th cent. at a factory in Chelsea, London. The earliest specimens extant are dated 1745 and have the potter's mark of a triangle and the word Chelsea. Nicholas...