governing element
71radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …
72ancient Greek civilization — ▪ historical region, Eurasia Introduction the period following Mycenaean civilization, which ended in about 1200 BC, to the death of Alexander the Great, in 323 BC. It was a period of political, philosophical, artistic, and scientific… …
73theatre music — ▪ musical genre Introduction any music designed to form part of a dramatic performance, as, for example, a ballet, stage play, motion picture, or television program. Included are the European operetta and its American form, the musical… …
74Tube Alloys — was the code name for the British nuclear weapon directorate during World War II, when the very possibility of nuclear weapons was kept at such a high level of secrecy that it had to be referred to by code even in the highest circles of… …
75celestial mechanics — the branch of astronomy that deals with the application of the laws of dynamics and Newton s law of gravitation to the motions of heavenly bodies. [1815 25] * * * Branch of astronomy that deals with the mathematical theory of the motions of… …
76figure skating — figure skater. 1. ice skating in which the skater traces intricate patterns on the ice. 2. a type of ice skating developed from this, emphasizing jumps, spins, and other movements that combine athletic skills and dance techniques. 3. a… …
77senate — /sen it/, n. 1. an assembly or council of citizens having the highest deliberative functions in a government, esp. a legislative assembly of a state or nation. 2. (cap.) the upper house of the legislature of certain countries, as the United… …
78Calendar of 1995 — ▪ 1996 January January 1 Cardoso assumes office Having won some 54% of the ballots cast in the October 1994 election, Fernando Cardoso took the oath of office as president of Brazil. As chief executive of South America s largest… …
79Ethereal being — Water nymph by John Collier, 1923. Ethereal beings, according to some belief systems and occult theories, are mystic entities that usually are not made of ordinary matter. Despite the fact that they are believed to be essentially incorporeal,… …
80Circulation of elite — The Circulation of elite is a theory of regime change described by Italian social scientist Vilfredo Pareto (1848–1923). Changes of regime, revolutions, and so on occur not when rulers are overthrown from below, but when one elite replaces… …
