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calcium chloride

(Encyclopedia)calcium chloride, CaCl2, chemical compound that is crystalline, lumpy, or flaky, is usually white, and is very soluble in water. The anhydrous compound is hygroscopic; it rapidly absorbs water and is ...

Wild, Jonathan

(Encyclopedia)Wild, Jonathan, 1683–1725, English criminal. He maintained a highly organized gang of thieves in London and long escaped punishment by posing as an instrument of justice and helping the authorities ...

Bonneville Dam

(Encyclopedia)Bonneville Dam bŏnˈəvĭl [key], one of the major dams on the Columbia River where it passes through the Cascade Mts., between Oregon and Wash. The dam, 2,690 ft (820 m) long and 197 ft (60 m) high,...

Assassin

(Encyclopedia)Assassin əsăsˈĭn [key], European name for the member of a secret order of the Ismaili sect of Islam. They are known as Nizaris after Nizar ibn al-Mustansir, whom they supported as caliph; the Euro...

Reid, Whitelaw

(Encyclopedia)Reid, Whitelaw, 1837–1912, American journalist and diplomat, b. near Xenia, Ohio. His distinguished correspondence during the Civil War for the Cincinnati Gazette led Horace Greeley to make him mana...

Texas Rangers

(Encyclopedia)Texas Rangers, mounted fighting force organized (1835) during the Texas Revolution. During the republic they became established as the guardians of the Texas frontier, particularly against Native Amer...

toxic waste

(Encyclopedia)toxic waste is waste material, often in chemical form, that can cause death or injury to living creatures. It usually is the product of industry or commerce, but comes also from residential use, agric...

Palmyra, ancient city, Syria

(Encyclopedia)Palmyra pălmīˈrə [key], ancient city of central Syria. A small modern village known as Tudmor or Tadmor (the Syrian Arabic name of Palmyra) is nearby; residents were relocated from the ancient sit...

parent and child

(Encyclopedia)parent and child, legal relationship, created by biological (birth) relationship or by adoption, that confers certain rights and duties on parent and child; in some states the courts have given the no...

fungicide

(Encyclopedia)fungicide fŭnˈjəsīdˌ, fŭngˈgə– [key], any substance used to destroy fungi. Some fungi are extremely damaging to crops (see diseases of plants), and others cause diseases in humans and other ...