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nuclear reactor
(Encyclopedia) CE5 Power reactor system nuclear reactor, device for producing controlled release of nuclear energy. Reactors can be used for research or for power production. A research reactor is designed to pr...tuberculosis
(Encyclopedia)tuberculosis (TB), contagious, wasting disease caused by any of several mycobacteria. The most common form of the disease is tuberculosis of the lungs (pulmonary consumption, or phthisis), but the int...Germanic languages
(Encyclopedia)Germanic languages, subfamily of the Indo-European family of languages, spoken by about 470 million people in many parts of the world, but chiefly in Europe and the Western Hemisphere. All the modern ...telephone
(Encyclopedia) CE5 Hand telephone telephone, device for communicating sound, especially speech, usually by means of wires in an electric circuit. The telephones now in general use evolved from the device invente...Washington, state, United States
(Encyclopedia) CE5 Washington, state in the Pacific Northwest of the United States. It is bordered by Idaho (E); Oregon, with the Columbia River marking much of the boundary (S); the Pacific Ocean (W); and the Ca...Ohio, state, United States
(Encyclopedia) CE5 Ohio, midwestern state in the Great Lakes region of the United States. It is bordered by Pennsylvania (NE), West Virginia (SE) and Kentucky (S) across the Ohio River, Indiana (W), and Michigan ...Stalin, Joseph Vissarionovich
(Encyclopedia)Stalin, Joseph Vissarionovich stäˈlĭn, Rus. vĭsəryôˈnəvĭch stäˈlyĭn [key], 1879–1953, Soviet Communist leader and head of the USSR from the death of V. I. Lenin (1924) until his own deat...liberalism
(Encyclopedia)liberalism, philosophy or movement that has as its aim the development of individual freedom. Because the concepts of liberty or freedom change in different historical periods the specific programs of...Roman law
(Encyclopedia)Roman law, the legal system of Rome from the supposed founding of the city in 753 b.c. to the fall of the Byzantine Empire in a.d. 1453; it was later adopted as the basis of modern civil law. Most aut...skyscraper
(Encyclopedia)skyscraper, modern building of great height, constructed on a steel skeleton. The form originated in the United States. By convention, a skyscraper is a building that is used primarily for human h...Browse by Subject
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