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old age
(Encyclopedia)old age: see geriatrics.mental age
(Encyclopedia)mental age: see intelligence.Gilded Age
(Encyclopedia)Gilded Age, a term used to describe a period in United States history—from roughly 1870 to 1900—when the wealthy elite consisted of industrialists w...tin
(Encyclopedia)tin, metallic chemical element; symbol Sn [Lat. stannum]; at. no. 50; at. wt. 118.710; m.p. 231.9681℃; b.p. 2,270℃; sp. gr. 5.75 (gray), 7.3 (white); valence +2 or +4. Tin exhibits allotropy; abov...Chinese Dynasties (table)
(Encyclopedia)Chinese Dynastiesage grade and age set
(Encyclopedia)age grade and age set, differentiation of social role based on age, commonly found in small-scale societies of North America and East Africa. Age sets are a type of sodality (nonresidential groups tha...Sámos
(Encyclopedia)Sámos sāˈmŏs, Gr. säˈmôs [key], island (1991 pop. 33,032), c.181 sq mi (469 sq km), SE Greece, in the Aegean Sea; one of the Southern Sporades, near Turkey. Largely mountainous, it rises to c.4...James, LeBron Raymone
(Encyclopedia)James, LeBron Raymone, 1984–, American basketball player, b. Akron, Ohio. The number-one draft pick of the Cleveland Cavaliers at age 18, “King James” has become one of the National Basketball A...carriage
(Encyclopedia)carriage, wheeled vehicle, in modern usage restricted to passenger vehicles that are drawn or pushed, especially by animals. Carriages date from the Bronze Age; early forms included the two-wheeled ca...pyrrhotite
(Encyclopedia)pyrrhotite pĭrˈətīt [key] or magnetic pyrites, bronze-yellow to bronze-red mineral, a sulfide of iron sometimes containing nickel. It tarnishes easily and is somewhat magnetic. It crystallizes in ...Browse by Subject
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