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information theory
(Encyclopedia) information theory or communication theory, mathematical theory formulated principally by the American scientist Claude E. Shannon to explain aspects and problems of information and…sanitary science
(Encyclopedia) sanitary science, principles of health preservation, embracing hygiene, on an individual level, and public health, on a communal level. Those who specialize in sanitary science are…tone
(Encyclopedia) tone. In music, a tone is distinguished from noise by its definite pitch, caused by the regularity of the vibrations which produce it. Any tone possesses the attributes of pitch,…cicada
(Encyclopedia) cicadacicadasĭkāˈdə [key], large, noise-producing insect of the order Homoptera, with a stout body, a wide, blunt head, protruding eyes, and two pairs of membranous wings. The front…Purim
(Encyclopedia) PurimPurimp&oomacr;ˈrĭm [key] [Heb.,=lots], Jewish festival celebrated on the 14th of Adar, the twelfth month in the Jewish calendar (Feb.–March). During leap years it is…porcupine, in zoology
(Encyclopedia) porcupine, member of either of two rodent families, characterized by having some of its hairs modified as bristles, spines, or quills. The quills are loosely attached to the porcupines…modulation, in communications
(Encyclopedia) CE5 Modulation modulation, in communications, process in which some characteristic of a wave (the carrier wave) is made to vary in accordance with an information-bearing signal…deafness
(Encyclopedia) deafness, partial or total lack of hearing. It may be present at birth (congenital) or may be acquired at any age thereafter. A person who cannot detect sound at an amplitude of 20…Chinese white
(Encyclopedia) Chinese white: see zinc oxide.zinc white
(Encyclopedia) zinc white: see zinc oxide.Trending
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