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progressivism

(Encyclopedia)progressivism, in U.S. history, a broadly based reform movement that reached its height early in the 20th cent. In the decades following the Civil War rapid industrialization transformed the United St...

printing

(Encyclopedia)printing, means of producing reproductions of written material or images in multiple copies. There are four traditional types of printing: relief printing (with which this article is mainly concerned)...

chemical bond

(Encyclopedia)chemical bond, mechanism whereby atoms combine to form molecules. There is a chemical bond between two atoms or groups of atoms when the forces acting between them are strong enough to lead to the for...

Liberal party, former British political party

(Encyclopedia)Liberal party, former British political party, the dominant political party in Great Britain for much of the period from the mid-1800s to World War I. By 1914 the Liberal government had passed subst...

Mindanao

(Encyclopedia)Mindanao mĭndənäˈō, –nouˈ [key], island (1990 pop. 13,535,738), 36,537 sq mi (94,631 sq km), second largest of the Philippine islands, NE of Borneo. About one fifth of the island's population ...

vaccination

(Encyclopedia)vaccination, means of producing immunity against pathogens, such as viruses and bacteria, by the introduction of an killed or weakened microorganism, a harmless piece of a microorganism, or the like t...

opium

(Encyclopedia)opium, substance derived by collecting and drying the milky juice in the unripe seed pods of the opium poppy, Papaver somniferum. Opium varies in color from yellow to dark brown and has a characterist...

numeral

(Encyclopedia)numeral, symbol denoting anumber. The symbol is a member of a family of marks, such as letters, figures, or words, which alone or in a group represent the members of a numeration system. The earliest ...

Talleyrand, Charles Maurice de

(Encyclopedia)Talleyrand or Talleyrand-Périgord, Charles Maurice de tălˈērăndˌ, Fr. shärl mōrēsˈ də tälāräNˈ-pārēgôrˈ [key], 1754–1838, French statesman and diplomat. Born into the high nobilit...

utility, public

(Encyclopedia)utility, public, industry required by law to render adequate service in its field at reasonable prices to all who apply for it. Public utilities frequently operate as monopolies in their market. In th...