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ataxia
(Encyclopedia)ataxia ətăkˈsēə [key], lack of coordination of the voluntary muscles resulting in irregular movements of the body. Ataxia can be brought on by an injury, infection, or degenerative disease of the...atomic force microscope
(Encyclopedia)atomic force microscope (AFM), device that uses a spring-mounted probe to image individual atoms on the surface of a material, first developed by Gerd Binnig in 1986. Unlike the scanning tunneling mic...division, in mathematics
(Encyclopedia)division, fundamental operation in arithmetic; the inverse of multiplication. Division may be indicated by the symbol ÷, as in 15 ÷ 3, or simply by a fraction, 15/3. The number that is being divided...Pelias
(Encyclopedia)Pelias pēˈlēăs [key], in Greek mythology, usurper of the throne of Iolcus. He was the son of Tyro and Poseidon and the twin brother of Neleus. After his birth his mother married Cretheus, king of ...Farmer, Moses Gerrish
(Encyclopedia)Farmer, Moses Gerrish, 1820–93, American inventor, b. Boscawen, N.H. He helped build and maintain some of the pioneer telegraph lines of Massachusetts and experimented in multiple telegraphy. He exh...apartment house
(Encyclopedia)apartment house, building having three or more dwelling units. Numerous early examples of this form of dwelling have been found in remains of Roman and medieval cities and in the 17th-cent. Pueblo vil...pill, the
(Encyclopedia)pill, the: see birth control.oral contraceptive
(Encyclopedia)oral contraceptive: see birth control. ...trichomoniasis
(Encyclopedia)trichomoniasis trĭkˌəmənīˈəsĭs [key], sexually transmitted disease caused by the parasitic protozoan Trichomonas vaginalis. In women, it can cause urinary tract infection and a painful, malodo...rubella
(Encyclopedia)rubella or German measles, acute infectious disease of children and young adults. It is caused by a filterable virus that is spread by droplet spray from the respiratory tract of an infected individua...Browse by Subject
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