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ether, in chemistry
(Encyclopedia) CE5 Ethers ether, any of a number of organic compounds whose molecules contain two hydrocarbon groups joined by single bonds to an oxygen atom. The most common of these compounds is ethyl ether, C...Europa, in astronomy
(Encyclopedia)Europa yo͝orōˈpə [key], in astronomy, one of the 39 known moons, or natural satellites, of Jupiter. Magnetic-field data collected by the space probe Galileo in 2002 strongly indicated a liquid-wat...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...division, in taxonomy
(Encyclopedia)division, in taxonomy: see classification. ...elevator, in aviation
(Encyclopedia)elevator, in aviation: see airplane. ...elevator, in machinery
(Encyclopedia)elevator, in machinery, device for transporting people or goods from one level to another. The term is applied to the enclosed structures as well as the open platforms used to provide vertical transpo...Eros, in astronomy
(Encyclopedia)Eros, in astronomy: see asteroid. ...Eris, in astronomy
(Encyclopedia)Eris, in astronomy, the largest known dwarf planet. Eris, whose highly eccentric elliptical orbit ranges from 38 AU to 97 AU and is inclined more than 44°, is the largest known object of the Kuiper b...fish, in zoology
(Encyclopedia) CE5 Anatomy of a ray-finned fish fish, limbless aquatic vertebrate animal with fins and internal gills. Traditionally the living fish have been divided into three class: the primitive jawless fish...flag, in botany
(Encyclopedia)flag, common name for several plants belonging to the families Iridaceae and Araceae. See iris; arum. ...Browse by Subject
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