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diffusion
(Encyclopedia) diffusion, in chemistry, the spontaneous migration of substances from regions where their concentration is high to regions where their concentration is low. Diffusion is important in…air-cushion vehicle
(Encyclopedia) CE5 Air-cushion vehicle: In vehicles modified with a trunk or skirt (A), the rate of leakage is reduced and less power is needed to maintain the cushion. Vehicles designed to travel…Semmelweis, Ignaz Philipp
(Encyclopedia) Semmelweis, Ignaz PhilippSemmelweis, Ignaz Philippĭgˈnäts fēˈlĭp zĕmˈəlvīs [key], 1818–65, Hungarian physician. He was a pioneer in employing asepsis. While on the staff of the general…psittacosis
(Encyclopedia) psittacosispsittacosissĭtəkōˈsĭs [key] or parrot fever, infectious disease caused by the species of Chlamydia psittaci and transmitted to people by birds, particularly parrots,…tularemia
(Encyclopedia) tularemiatularemiat&oomacr;lərēˈmēə [key] or rabbit fever, acute, infectious disease caused by Francisella tularensis (Pasteurella tularensis). The greatest incidence is among…consols
(Encyclopedia) consols, contraction of consolidated annuities, a bond issue designed to consolidate two or more outstanding issues, used in reference to British government stock. Public borrowing…Stubbs, George
(Encyclopedia) Stubbs, George, 1724–1806, English painter known for his studies of horses. Self-taught, Stubbs was interested in comparative anatomy and published his Anatomy of the Horse (1766),…agranulocytosis
(Encyclopedia) agranulocytosisagranulocytosisəgrănˌyəlōsītōˈsis [key], disease in which the production of granulated white blood cells by the bone marrow is impaired. Although the disease may occur…malnutrition
(Encyclopedia) malnutrition, insufficiency of one or more nutritional elements necessary for health and well-being. Primary malnutrition is caused by the lack of essential foodstuffs—usually vitamins…Augustinians
(Encyclopedia) Augustinians, religious order in the Roman Catholic Church. The name derives from the Rule of St. Augustine (5th cent.?), which established rules for monastic observance and common…Trending
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