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harrow, in agriculture
(Encyclopedia) harrow, farm implement, consisting of a wooden or metal framework bearing metal disks, teeth, or sharp projecting points, called tines, which is dragged over plowed land to pulverize…snail
(Encyclopedia) snail, name commonly used for a gastropod mollusk with a shell. Included in the thousands of species are terrestrial, freshwater, and marine forms. Some eat both plant and animal…spear
(Encyclopedia) spear, primitive weapon consisting of a wooden shaft tipped with a sharp point, usually 8 to 9 ft (2.4–2.7 m) in length. The point may be carved from the shaft and hardened in a fire,…chimaera
(Encyclopedia) chimaerachimaerakĭmērˈə [key], cartilaginous marine fish, related to the sharks. Also called ratfishes, chimaeras are found in temperate oceans throughout the world, mostly in deep…cuesta
(Encyclopedia) cuestacuestakwĕsˈtə [key], asymmetric ridge characterized by a short, steep escarpment on one side, and a long, gentle slope on the other. The steep side exposes the edge of erosion-…generic drug
(Encyclopedia) generic drug, a drug sold or prescribed under the nonproprietary name of its active ingredients or under a generally descriptive name rather than under a brand or trade name. The name…gunpowder
(Encyclopedia) gunpowder, explosive mixture; its most common formula, called “black powder,” is a combination of saltpeter, sulfur, and carbon in the form of charcoal. Historically, the relative…bounty, payment made by a government
(Encyclopedia) bounty, amount paid by a government for the achievement of certain economic or other goals. It often takes the form of a premium paid for the increased production or export of certain…Brahman cattle
(Encyclopedia) Brahman cattle, breed of beef cattle developed in the S United States in the early 1900s by combining several breeds or strains of zebu cattle of India. Brahman cattle have a very…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-…Trending
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