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Trans-Dniester Region

(Encyclopedia)Trans-Dniester Region or Transnistria, region (2004 preliminary pop. 555,000), E Moldova, between the Dniester River and the Ukrainian border. A narrow territory some 120 mi (195 km) long but barely 2...

Alexander III, czar of Russia

(Encyclopedia)Alexander III, 1845–94, czar of Russia (1881–94), son and successor of Alexander II. Factors that contributed to Alexander's reactionary policies included his father's assassination, his limited i...

Chinese examination system

(Encyclopedia)Chinese examination system, civil service recruitment method and educational system employed from the Han dynasty (206 b.c.–a.d. 220) until it was abolished by the Ch'ing dowager empress Tz'u Hsi in...

distribution

(Encyclopedia)distribution, in economics, the allocation of a society's total wealth among various economic groups. Distribution, in that sense, does not refer to the physical marketing or circulation of goods, whi...

Ambrose, Saint

(Encyclopedia)Ambrose, Saint ămˈbrōz [key], 340?–397, bishop of Milan, Doctor of the Church, b. Trier, of Christian parents. Educated at Rome, he became (c.372) governor of Liguria and Aemilia—with the capit...

essential oils

(Encyclopedia)essential oils, volatile oils that occur in plants and in general give to the plants their characteristic odors, flavors, or other such properties. Essential oils are found in various parts of the pla...

tropism

(Encyclopedia)tropism trōpˈĭzəm [key], involuntary response of an organism, or part of an organism, involving orientation toward (positive tropism) or away from (negative tropism) one or more external stimuli. ...

vacuum

(Encyclopedia)vacuum, theoretically, space without matter in it. A perfect vacuum has never been obtained; the best human-generated vacuums contain less than 100,000 gas molecules per cc, compared to about 30 billi...

Guadalajara, city, Mexico

(Encyclopedia)Guadalajara gwäˌᵺälähäˈrä [key], city, capital of Jalisco state, SW Mexico, second largest city of ...

aneurysm

(Encyclopedia)aneurysm ănˈyo͝orĭzəm [key], localized dilatation of a blood vessel, particularly an artery, or the heart. Dilatation of an artery, and therefore weakness of that portion of the arterial wall, ma...