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rocket, in aeronautics

(Encyclopedia)CE5 Relative positions of the components of the Saturn V rocket, the U.S. space vehicle used in the moon missions rocket, any vehicle propelled by ejection of the gases produced by combustion of s...

Library of Congress

(Encyclopedia)Library of Congress, national library of the United States, Washington, D.C., est. 1800. It occcupies three buildings on Capitol Hill: The Thomas Jefferson Building (1897), the John Adams Building (19...

liquefaction

(Encyclopedia)liquefaction, change of a substance from the solid or the gaseous state to the liquid state. Since the different states of matter correspond to different amounts of energy of the molecules making up t...

sewing machine

(Encyclopedia)sewing machine, device that stitches cloth and other materials. An attempt at mechanical sewing was made in England (1790) with a machine having a forked, automatic needle that made a single-thread ch...

shorthand

(Encyclopedia)CE5 Shorthand systems shorthand, any brief, rapid system of writing that may be used in transcribing, or recording, the spoken word. Such systems, many having characters based on the letters of th...

Degas, Edgar

(Encyclopedia)Degas, Edgar (Hilaire Germain Edgar Degas) ēlĕrˈ zhĕrmăNˈ ĕdgärˈ dəgäˈ [key], 1834–1917, French painter and sculptor, b. Paris; son of a banker. Although prepared for the law, he abandon...

Diaghilev, Sergei Pavlovich

(Encyclopedia)Diaghilev, Sergei Pavlovich syĭrgāˈ pävˈləvĭch dyäˈgĭlyĭf [key], 1872–1929, Russian ballet impresario and art critic, grad. St. Petersburg Conservatory of Music, 1892. In 1898 he founded ...

planetary system

(Encyclopedia)planetary system, a star and all the celestial bodies bound to it by gravity, especially planets and their natural satellites. Until the last decade of the 20th cent., the only planetary system known ...

Theresa, Saint (Theresa of Ávila)

(Encyclopedia)Theresa or Teresa, Saint (Theresa of Ávila) both: tĭrēˈsə, –zə [key], 1515–82, Spanish Carmelite nun, Doctor of the Church, one of the principal saints of the Roman Catholic Church, one of t...

Alexander I, czar of Russia

(Encyclopedia)Alexander I, 1777–1825, czar of Russia (1801–25), son of Paul I (in whose murder he may have taken an indirect part). In the first years of his reign the liberalism of his Swiss tutor, Frédéric ...