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asbestos, mineral

(Encyclopedia)asbestos, common name for any of a variety of silicate minerals within the amphibole and serpentine groups that are fibrous in structure and more or less resistant to acid and fire. Chrysotile asbesto...

rhea, in zoology

(Encyclopedia)rhea rēˈə [key], common name for a South American bird of the family Rheidae, which is related to the ostrich. Weighing from 44 to 55 lb (20–25 kg) and standing up to 60 in. (152 cm) tall, the rh...

Urquiza, Justo José de

(Encyclopedia)Urquiza, Justo José de ho͞oˈstō hōsāˈ ᵺā o͞orkēˈsä [key], 1801–70, Argentine general and politician, president of the confederation (1854–60). As the caudillo of Entre Ríos prov., h...

Ponzi, Charles

(Encyclopedia)Ponzi, Charles or Carlo, 1882–1949), Italian-American swindler. He came to the United States from his native Italy in 1903, then went in 1907 to Canada, where he was convicted of check forgery. In 1...

postage stamp

(Encyclopedia)postage stamp, government stamp affixed to mail to indicate payment of postage. The term includes stamps printed or embossed on postcards and envelopes as well as the adhesive labels. The use of adhes...

Panama Papers

(Encyclopedia)Panama Papers, popular name for the some 11.5 million internal documents belonging to the Panamanian-based law firm Mossack Fonseca that revealed information about secret offshore companies and bank a...

soybean

(Encyclopedia)soybean, soya bean, or soy pea, leguminous plant (Glycine max, G. soja, or Soja max) of the family Leguminosae (pulse family), native to tropical and warm temperate regions of Asia, where it has been...

Wallace, Alfred Russel

(Encyclopedia)Wallace, Alfred Russel, 1823–1913, English naturalist. From his study of comparative biology in Brazil and in the East Indies, he evolved a concept of evolution similar to that of Charles Darwin. Li...

tobacco

(Encyclopedia)tobacco, name for any plant of the genus Nicotiana of the Solanaceae family (nightshade family) and for the product manufactured from the leaf and used in cigars and cigarettes, snuff, and pipe and ch...

United Nations Conference on Environment and Development

(Encyclopedia)United Nations Conference on Environment and Development (UNCED) or Earth Summit, an 11-day meeting held in June, 1992, in Rio de Janeiro, Brazil, to discuss the global conflict between economic devel...