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Peter III, czar of Russia

(Encyclopedia)Peter III, 1728–62, czar of Russia (1762), son of Charles Frederick, dispossessed duke of Holstein-Gottorp, and of Anna Petrovna, daughter of Peter the Great. He succeeded to the throne on the death...

distillation

(Encyclopedia)distillation, process used to separate the substances composing a mixture. It involves a change of state, as of liquid to gas, and subsequent condensation. The process was probably first used in the p...

Constantinople

(Encyclopedia)Constantinople kŏnˌstănˌtĭnōˈpəl [key], former capital of the Byzantine Empire and of the Ottoman Empire, since 1930 officially called İstanbul (for location and description, see İstanbul). ...

polymer

(Encyclopedia)CE5 A. Addition polymerization: Two ethylene molecules, C2H4, combine to form two links in the polyethylene chain molecule (C2H4)n. B. Condensation polymerization: Two glycine molecules, NH2CH2COOH...

rhyme

(Encyclopedia)rhyme or rime, the most prominent of the literary artifices used in versification. Although it was used in ancient East Asian poetry, rhyme was practically unknown to the ancient Greeks and Romans. Wi...

Hussites

(Encyclopedia)Hussites hŭsˈīts [key], followers of John Huss. After the burning of Huss (1415) and Jerome of Prague (1416), the Hussites continued as a powerful group in Bohemia and Moravia. They drew up (1420) ...

Warwick, Richard Neville, earl of

(Encyclopedia)Warwick, Richard Neville, earl of , wŏrˈĭk [key], 1428–71, English nobleman, called the Kingmaker. Through his grandfather, Ralph Neville, 1st earl of Westmorland, he had connections with the hou...

Monroe Doctrine

(Encyclopedia)Monroe Doctrine, principle of American foreign policy enunciated in President James Monroe's message to Congress, Dec. 2, 1823. It initially called for an end to European intervention in the Americas,...

North Atlantic Treaty Organization

(Encyclopedia)North Atlantic Treaty Organization (NATO), established under the North Atlantic Treaty (Apr. 4, 1949) by Belgium, Canada, Denmark, France, Great Britain, Iceland, Italy, Luxembourg, the Netherlands, N...

Alaric I

(Encyclopedia)Alaric I ălˈərĭk [key], c.370–410, Visigothic king. He headed the Visigothic troops serving Emperor Theodosius I. After the emperor's death (395) the troops rebelled and chose Alaric as their le...