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cramp
(Encyclopedia) cramp, painful uncontrollable contraction of a muscle or group of muscles. The type that results from cold, strain, or disturbance of circulation (as experienced by swimmers) is eased…Grand Banks
(Encyclopedia) Grand Banks, submarine plateau rising from the continental shelf, c.36,000 sq mi (93,200 sq km), off SE Newfoundland, N.L., Canada. It is c.300 mi (480 km) long and c.400 mi (640 km)…benzaldehyde
(Encyclopedia) benzaldehydebenzaldehydebĕnzălˈdəhīd [key] or benzenecarbonalbenzenecarbonalbĕnˌzēnkärˈbənəl [key], C6H5CHO, colorless liquid aldehyde with a characteristic almond odor. It boils at…mortar, in building
(Encyclopedia) mortar, in building, mixture of lime or cement with sand and water, used as a bedding and adhesive between adjacent pieces of stone, brick, or other material in masonry construction.…nitric acid
(Encyclopedia) nitric acid, chemical compound, HNO3, colorless, highly corrosive, poisonous liquid that gives off choking red or yellow fumes in moist air. It is miscible with water in all…landslide
(Encyclopedia) landslide, rapid slipping of a mass of earth or rock from a higher elevation to a lower level under the influence of gravity and water lubrication. More specifically, rockslides are…lipids
(Encyclopedia) lipids, a broad class of organic products found in living systems. Most are insoluble in water but soluble in nonpolar solvents. The definition excludes the mineral oils and other…Jordan, river, Asia
(Encyclopedia) Jordan, river, c.200 mi (320 km) long, formed in the Hula basin, N Israel, by the confluence of three headwater streams and meandering S through the Sea of Galilee to the Dead Sea; the…equivalent weight
(Encyclopedia) equivalent weight. The equivalent weight of an element or radical is equal to its atomic weight or formula weight divided by the valence it assumes in compounds. The unit of equivalent…tenrec
(Encyclopedia) tenrectenrectĕnˈrĕk [key], any of the small insectivorous mammals of the family Tenrecidae, also called tendrecs or tanrecs. These animals are found on the island of Madagascar. In…Trending
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