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fluid
fluid any substance that is able to flow. Of the four states of matter , only a solid is not a fluid, since it has a definite shape that is not readily changed. Any liquid , gas , or plasma is classed as a fluid.
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First Vatican Council
First Vatican Council 1869-70, the 20th ecumenical council of the Roman Catholic Church (see council, ecumenical ), renowned chiefly for its enunciation of the doctrine of papal infallibility .
Convening and Meetings
The council was convened by Pope Pius IX , who announced his intentio...
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Council of Ferrara-Florence
Council of Ferrara-Florence 1438-45, second part of the 17th ecumenical council of the Roman Catholic Church; the first part was the Council of Basel, canonically convened but after 1437 schismatic (see Basel, Council of ). The chief goal at Ferrara was to end the schism of East and West; it was v...
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pillar
pillar freestanding columnar supporting member. It is a general term, little used as an exact architectural definition except as applied to an upright support in the medieval styles, consisting of an assemblage of juxtaposed shafts and moldings; unlike the column, it does not adhere to the rules of...
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states of matter
states of matter forms of matter differing in several properties because of differences in the motions and forces of the molecules (or atoms, ions, or elementary particles) of which they are composed. The states of matter are also known as phases of matter or states of aggregation. There are thre...
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solid
solid one of the three commonly recognized states in which matter occurs, i.e., that state, as distinguished from liquid and gas, in which a substance has both a definite shape and a definite volume. Solids resemble liquids in having a definite volume, but differ from both liquids and gases in ha...
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Young Plan
Young Plan program for settlement of German reparations debts after World War I. It was presented by the committee headed (1929-30) by Owen D. Young. After the Dawes Plan was put into operation (1924), it became apparent that Germany could not meet the huge annual payments, especially over an i...
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formula
formula in mathematics and physics, equation expressing a definite fixed relationship between certain quantities. The quantities are usually expressed by letters, and their relationship is indicated by algebraic symbols. For example, A =π r2 is the formula for the area A of a circle of rad...
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Joseph Joachim
Joseph Joachim , 1831-1907, Hungarian violinist; friend of Mendelssohn, Brahms, and Schumann. In his long career his performances of violin masterpieces came to be accepted as models. Joachim was concertmaster under Liszt at Weimar, 1849-53; later he became (1868) musical director of the Berlin Hoch...
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kleptomania
kleptomania [Gr.,=craze for stealing], irresistible compulsion to steal, motivated by neurotic impulse rather than material need. No specific cause is known. The condition is considered generally as the result of some underlying emotional disturbance rather than as a form of neurosis in itself. Leg...
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