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fracture

(Encyclopedia) fracture, breaking of a bone. A simple fracture is one in which there is no contact of the broken bone with the outer air, i.e., the overlying tissues are intact. In a comminuted…

calcium oxide

(Encyclopedia) calcium oxide, chemical compound, CaO, a colorless, cubic crystalline or white amorphous substance. It is also called lime, quicklime, or caustic lime, but commercial lime often…

Waco

(Encyclopedia) WacoWacowāˈkō [key], city (1990 pop. 103,590), seat of McLennan co., E central Tex., on the Brazos River, just below the mouth of the Bosque; inc. 1856. It is a rail junction and a…

sweetener, artificial

(Encyclopedia) sweetener, artificial, substance used as a low-calorie sugar substitute. Saccharin, cyclamates, and aspartame have been the most commonly used artificial sweeteners. Saccharin, a coal-…

Human Carcinogens as of the 9th Report

"The Ninth Report on Carcinogens" The Ninth Report on Carcinogens, published May 15, 2000, lists 218 substances known or suspected to cause cancer. The Ninth Report added (or upgraded) 14…

Chemistry: Drawing Lewis Structures

Drawing Lewis StructuresChemistryBonding and Structure in Covalent CompoundsCovalent Compounds Get MysteriousThe Mystery and Wonder of Hybrid OrbitalsDrawing Lewis StructuresResonance…

Glossary of Chemical Terms - A

AA B C D E F G H I J K L M N O P Q R S T U V W X Y Z achiral Describes any molecule or object that is superimposable upon its mirror image. acid A compound that produces hydrogen ions in water…

Joseph Kibwetere, 2000 News

Ugandan cult leader, duped scores of Ugandans into surrendering their possessions to him and joining his sect, Movement for the Restoration of the Ten Commandments of God. In March, as many…

salicylate

(Encyclopedia) salicylatesalicylatesəlĭsˈəlātˌ [key], any of a group of analgesics, or painkilling drugs, that are derivatives of salicylic acid. The best known is acetylsalicylic acid, or aspirin.…