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chlamydia
(Encyclopedia) chlamydiachlamydiakləmĭdˈēə [key], genus of microorganisms that cause a variety of diseases in humans and other animals. Psittacosis, or parrot fever, caused by the species Chlamydia…will-o'-the-wisp
(Encyclopedia) will-o'-the-wisp, phenomenon known also as ignis fatuus and jack-o'-lantern. It is seen at night as a pale, flickering light over marshland. There is no generally accepted explanation…soman
(Encyclopedia) soman, colorless liquid used as a nerve gas. It boils at 167℃, evolving an odorless vapor. It is rapidly absorbed through the skin; death may result within 15 min of exposure. In…snoring
(Encyclopedia) snoring, rough, vibratory sounds made in breathing during sleep or coma. The noisy breathing is the result of an open mouth and a relaxation of the palate; it is frequently induced by…Harvey, William Henry
(Encyclopedia) Harvey, William Henry, 1811–66, Irish botanist. An authority on algae, he wrote A Manual of the British Algae (1841), Phycologia Britannica (4 vol., 1846–51), and Phycologia Australica…Bethesda, in the Bible
(Encyclopedia) BethesdaBethesdabĕthĕzˈdə, –thĕsˈ– [key], pool in Jerusalem, perhaps the one discovered under the Crusaders' Church of St. Anne near St. Stephen's Gate in the northeast corner of the…tetany
(Encyclopedia) tetanytetanytĕtˈənē [key], condition of mineral imbalance in the body that results in severe muscle spasms. Tetany occurs when the concentration of calcium ions (Ca++) in extracellular…Chagas' disease
(Encyclopedia) Chagas' disease, disease of South and Central America caused by the parasite Trypanosoma cruzi. It usually affects children and young adults and is transmitted by the feces of infected…Setesdal
(Encyclopedia) SetesdalSetesdalsāˈtəsdäl [key], narrow valley, S Norway, in Aust-Agder co. It is drained by the Otra River (150 mi/241 km long) and contains several lakes. Communication with the rest…Lepsius, Karl Richard
(Encyclopedia) Lepsius, Karl RichardLepsius, Karl Richardrĭkhˈärt lĕpˈsē&oobreve;s [key], 1810–84, German Egyptologist and philologist. He made an expedition (1842–45) to the Nile valley and…Trending
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