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Securities and Exchange Commission
(Encyclopedia)Securities and Exchange Commission (SEC), agency of the U.S. government created by the Securities Exchange Act of 1934 and charged with protecting the interests of the public and investors in connecti...Skidmore, Owings and Merrill
(Encyclopedia)Skidmore, Owings and Merrill, American architectural firm founded in 1936 in New York City by Louis Skidmore (1897–1962), Nathaniel A. Owings (1903–84), and John O. Merrill (1896–1975). The firm...standard temperature and pressure
(Encyclopedia)standard temperature and pressure: see STP. ...Siamese art and architecture
(Encyclopedia)Siamese art and architecture: see Southeast Asian art and architecture. ...Rhoden, Ausser and Inner
(Encyclopedia)Rhoden, Ausser and Inner: see Appenzell, Switzerland. ...Persian art and architecture
(Encyclopedia)Persian art and architecture, works of art and structures produced in the region of Asia traditionally known as Persia and now called Iran. Bounded by fierce mountains and deserts, the high plateau of...antioxidant
(Encyclopedia)antioxidant, substance that prevents or slows the breakdown of another substance by oxygen. Synthetic and natural antioxidants are used to slow the deterioration of gasoline and rubber, and such antio...samarium
(Encyclopedia)samarium səmârˈēəm [key], metallic chemical element; symbol Sm; at. no. 62; at. wt. 150.36; m.p. 1,072℃; b.p. 1,791℃; sp. gr. 7.54 at 20℃; valence +2 or +3. Samarium is a lustrous silver-wh...Charles III, king of Spain, and of Naples and Sicily
(Encyclopedia)Charles III, 1716–88, king of Spain (1759–88) and of Naples and Sicily (1735–59), son of Philip V and Elizabeth Farnese. Recognized as duke of Parma and Piacenza in 1731, he relinquished the duc...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 ...Browse by Subject
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