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sarin
(Encyclopedia)sarin zärēnˈ [key], volatile liquid used as a nerve gas. It boils at 147℃ but evaporates quickly at room temperature; its vapor is colorless and odorless. Chemically, sarin is fluoroisopropoxymet...cryotron
(Encyclopedia)cryotron krīˈōtrŏnˌ [key], magnetically controlled electronic switching device that operates at extremely low temperatures; it is designed to supplant, in part, the transistor in special electron...classical swine fever
(Encyclopedia)classical swine fever or hog cholera, acute, highly infectious viral disease of swine, historically perhaps the most serious disease of swine in North America. It is characterized by dullness and list...fish curing
(Encyclopedia)fish curing. Methods of curing fish by drying, salting, smoking, and pickling, or by combinations of these processes have been employed since ancient times. On sailing vessels fish were usually salted...Bergström, Sune Karl
(Encyclopedia)Bergström, Sune Karl so͞oˈnə, bĕrˈyəström [key], 1916–2004, Swedish biochemist, grad. Karolinska Institute (Ph.D., M.D., 1944). With his former pupil B. I. Samuelsson and John R. Vane, he wa...weathering
(Encyclopedia)weathering, collective term for the processes by which rock at or near the earth's surface is disintegrated and decomposed by the action of atmospheric agents, water, and living things. Some of these ...mammal
(Encyclopedia)mammal, an animal of the highest class of vertebrates, the Mammalia. The female has mammary glands, which secrete milk for the nourishment of the young after birth. In the majority of mammals the body...cricket, in zoology
(Encyclopedia)cricket, common name of the slender, chirping, hopping insects forming the family Gryllidae in the order Orthoptera. Most crickets have long antennae, muscular hind legs for jumping, and two pairs of ...chain reaction
(Encyclopedia) CE5 Chain reaction: A neutron (n) strikes the uranium nucleus (U-235), causing it to split into fission products A and B and release two neutrons. These neutrons can in turn cause further fissions....blast furnace
(Encyclopedia) CE5 Blast furnace for production of iron blast furnace, structure used chiefly in smelting. The principle involved in this means of extracting metals is that of the reduction of the ores by the ac...Browse by Subject
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