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Quebec Conference

(Encyclopedia)Quebec Conference, name of two meetings held in Quebec, Canada, in World War II. The first meeting (Aug., 1943) was attended by President Franklin Delano Roosevelt of the United States, Prime Minister...

Berruguete, Alonso

(Encyclopedia)Berruguete, Alonso älōnˈsō bĕr–ro͞ogāˈtā [key], c.1480–1561, Spanish mannerist sculptor. Probably the first in Spain to break away from the High Renaissance balance of form, he is noted f...

Rainalducci, Pietro

(Encyclopedia)Rainalducci or Rainallucci, Pietro pyĕˈtrō rīnäldo͞otˈchē, rīnäl-lo͞otˈchē [key], d. 1333, Italian churchman (b. Corvaro, near Rieti), antipope (1328–30) with the name Nicholas V. Havin...

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...

Albany, cities, United States

(Encyclopedia)Albany 1, 3, 4 ôlˈbənē; 2 ôlˈbĕnˌē, ălbāˈnē [key]. 1 Residential city (2020 pop. 20,271), Alameda co., W Calif., on the eastern shore of San Francisco...

pipe

(Encyclopedia)pipe, hollow structure, usually cylindrical, for conducting materials. It is used primarily to convey liquids, gases, or solids suspended in a liquid, e.g., a slurry. It is also used as a conduit for ...

dialectical materialism

(Encyclopedia)dialectical materialism, official philosophy of Communism, based on the writings of Karl Marx and Friedrich Engels, as elaborated by G. V. Plekhanov, V. I. Lenin, and Joseph Stalin. In theory dialecti...

dry cleaning

(Encyclopedia)dry cleaning, process of cleaning fabrics without water. Special solvents and soaps are used so as not to harm fabrics and dyes that will not withstand the effects of ordinary soap and water. Dry clea...

Constanţa

(Encyclopedia)Constanţa kônstänˈtsä [key], city, SE Romania, on the Black Sea. It is the administrative center ...

ethylene

(Encyclopedia)ethylene ĕthˈēn [key], H2C=CH2, a gaseous unsaturated hydrocarbon. It is the simplest alkene. Ethylene is colorless, has a faint odor, and has a slightly sweet taste; it melts at −169.4℃ and bo...