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Arlberg
(Encyclopedia)Arlberg ärlˈbĕrk [key], pass, 5,946 ft (1,812 m) high, W Austria, on the boundary between Tyrol and Vorarlberg. The Arlberg region forms the water divide between rivers flowing to the North Sea and...Doab
(Encyclopedia)Doab dōˈăb [key], term applied in India to a tract of land between two converging rivers. The Doab, unqualified by the names of any rivers, designates the tract in Uttar Pradesh state between the G...mullion
(Encyclopedia)mullion mŭlˈyən [key], in architecture, a slender, upright intermediate member that subdivides an opening, as a division between panes of a window or between adjacent windows. Although the mullion ...Quinte, Bay of
(Encyclopedia)Quinte, Bay of kwĭnˈtē [key], arm of Lake Ontario, S Ont., Canada, between the mainland and the peninsula of Prince Edward co. With its approach, Adolphus Reach, it is 60 mi (97 km) long. The Trent...gem, ornamental mineral or organic substance
(Encyclopedia)gem, commonly, a mineral or organic substance, cut and polished and used as an ornament. Gems also are used as seals (items of assurance) and as talismans (good-luck charms). For birthstones, see mont...Amtrak
(Encyclopedia)Amtrak, the National Railroad Passenger Corp., authorized to operate virtually all intercity passenger railroad routes in the United States. Amtrak was created by Congress in 1970 in response to more ...nitrous oxide
(Encyclopedia)nitrous oxide or nitrogen (I) oxide, chemical compound, N2O, a colorless gas with a sweetish taste and odor. Its density is 1.977 grams per liter at STP. It is soluble in water, alcohol, ether, and ot...statin
(Encyclopedia)statin, any of a class of drugs that reduces the amount of cholesterol in the blood by interfering with the production of cholesterol in the liver; commonly prescribed statins include atorvastatin, lo...argon
(Encyclopedia)argon ärˈgŏn [key] [Gr.,=inert], gaseous chemical element; symbol Ar; at. no. 18; at. wt. 39.948; m.p. −189.2℃; b.p. −185.7℃; density 1.784 grams per liter at STP; valence 0. Argon is a col...estuary
(Encyclopedia)estuary ĕsˈcho͝oĕrˌē [key], partially enclosed coastal body of water, having an open connection with the ocean, where freshwater from inland is mixed with saltwater from the sea. One type of est...Browse by Subject
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