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hydraulic machine
(Encyclopedia) CE5 Hydraulic pressure: In any hydraulic device the pressure exerted by one piston is transmitted throughout the fluid. Since pressure equals force divided by area, a small force (…force
(Encyclopedia) force, commonly, a “push” or “pull,” more properly defined in physics as a quantity that changes the motion, size, or shape of a body. Force is a vector quantity, having both magnitude…Marlowe, Christopher
(Encyclopedia) Marlowe, Christopher, 1564–93, English dramatist and poet, b. Canterbury. Probably the greatest English dramatist before Shakespeare, Marlowe, a shoemaker's son, was educated at…dune
(Encyclopedia) dune, mound or ridge of wind-blown sand formed in arid regions and along coasts. Dunes are common in most of the great deserts of the world. Often a dune begins to form because…Kelmscott Press
(Encyclopedia) Kelmscott Press, printing establishment in London. There William Morris led the 19th-century revival of the art and craft of making books (see arts and crafts). The first book made by…estuary
(Encyclopedia) estuaryestuaryĕsˈch&oobreve;ĕrˌē [key], partially enclosed coastal body of water, having an open connection with the ocean, where freshwater from inland is mixed with saltwater…Yellowstone National Park
(Encyclopedia) Yellowstone National Park, 2,219,791 acres (899,015 hectares), the world's first national park (est. 1872), NW Wyo., extending into Montana and Idaho. It lies mainly on a broad plateau…boiling point
(Encyclopedia) boiling point, temperature at which a substance changes its state from liquid to gas. A stricter definition of boiling point is the temperature at which the liquid and vapor (gas)…cannibalism
(Encyclopedia) cannibalismcannibalismkănˈĭbəlĭzəm [key] [Span. caníbal, referring to the Carib], eating of human flesh by other humans. The charge of cannibalism is a common insult, and it is likely…warbler
(Encyclopedia) warbler, name applied in the New World to members of the wood warbler family (Parulidae) and in the Old World to a large family (Sylviidae) of small, drab, active songsters, including…Trending
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