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alternating current
(Encyclopedia)alternating current, abbr. AC, a flow of electric charge that undergoes periodic reverses in direction. In North America ordinary household current alternates at a frequency of 60 times per second. Se...shrike
(Encyclopedia)shrike or butcher bird, predatory songbird found in most parts of the world except Australia and South America. The plumage of the European and North American species is mostly gray, black, and white;...sedge
(Encyclopedia)sedge, common name for members of the Cyperaceae, a family of grasslike and rushlike herbs found in all parts of the world, especially in marshes of subarctic and temperate zones. The name sedge is al...ginseng
(Encyclopedia) CE5 Dwarf ginseng, Panax trifolium ginseng jĭnˈsĕng [key], common name for the Araliaceae, a family of tropical herbs, shrubs, and trees that are often prickly and sometimes grow as climbing fo...Rasmussen, Knud Johan Victor
(Encyclopedia)Rasmussen, Knud Johan Victor kəno͞otˈ yōˈhän vĭkˈtôr räsˈmo͝osən [key], 1879–1933, Danish arctic explorer and ethnologist. Born in Greenland of Eskimo ancestry on his mother's side, he ...antipodes, in geography
(Encyclopedia)antipodes [Gr.,=having feet opposite], people or places diametrically opposite on the globe. Thus antipodes must be separated by half the circumference of the earth (180°), and one must be as far nor...vanilla
(Encyclopedia)vanilla, a plant of the genus Vanilla of the family Orchidaceae (orchid family). Vines of hot, damp climates, most are indigenous to Central and South America, especially Mexico, but are now cultivate...Norumbega
(Encyclopedia)Norumbega nôrəmbĕgˈə [key], name vaguely used, especially on European maps of the 16th and 17th cent., to indicate a region, a river, or a city on the east coast of North America. Fabulous tales ...Meares, John
(Encyclopedia)Meares, John mērz [key], 1756?–1809, British naval officer, explorer, and trader. He served in the navy, in which he attained the rank of lieutenant, until after the Peace of Paris (1783), when he ...skimmer
(Encyclopedia)skimmer, common name for certain sea birds resembling the related tern. Skimmers (genus Rhynchops) have long, laterally compressed bills of which the lower mandible is one fourth longer than the movab...Browse by Subject
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