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feldspar
(Encyclopedia)feldspar fĕlˈspär [key], an abundant group of rock-forming minerals which constitute 60% of the earth's crust. Chemically the feldspars are silicates of aluminum, containing sodium, potassium, iron...blood bank
(Encyclopedia)blood bank, site or mobile unit for collecting, processing, typing, and storing whole blood, blood plasma and other blood constituents. Most hospitals maintain their own blood reserves, and the Americ...wapiti
(Encyclopedia)wapiti wŏpˈĭtē [key], large North American deer, Cervus canadensis, closely related to the Old World red deer. It is commonly called elk in America although the name elk is used in Europe to refer...streptococcus
(Encyclopedia)streptococcus strĕpˌtəkŏkˈəs [key], any of a group of gram-positive bacteria, genus Streptococcus, some of which cause disease. Streptococci are spherical and divide by fission, but they remain ...Delhi
(Encyclopedia)Delhi dĕlˈē [key], union territory and city, N central India. The union territory, officia...Rocky Mountain spotted fever
(Encyclopedia)Rocky Mountain spotted fever, infectious disease caused by a rickettsia. The bacterium is harbored by wild rodents and other animals and is carried by infected ticks of several species that attach the...radish
(Encyclopedia)radish, herbaceous plant (Raphanus sativus) belonging to the family Cruciferae (or Brassicaceae; mustard family), with an edible, pungent root sliced in salads or used as a relish. It is thought to be...Barbarossa
(Encyclopedia)Barbarossa bärˌbərŏsˈə [key] [Ital.,=red-beard], surname of the Turkish corsair Khayr ad-Din (c.1483–1546). Barbarossa and his brother Aruj, having seized (1518) Algiers from the Spanish, plac...Rinehart, Mary Roberts
(Encyclopedia)Rinehart, Mary Roberts rīnˈhärt [key], 1876–1958, American novelist, b. Pittsburgh. A graduate nurse, she married Dr. Stanley M. Rinehart in 1896. The first of her many mystery stories, The Circu...bauxite
(Encyclopedia)bauxite bôkˈsīt, bŏkˈ– [key], mixture of hydrated aluminum oxides usually containing oxides of iron and silicon in varying quantities. A noncrystalline substance formerly thought to be a minera...Browse by Subject
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