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colloid

(Encyclopedia)colloid kŏlˈoid [key] [Gr.,=gluelike], a mixture in which one substance is divided into minute particles (called colloidal particles) and dispersed throughout a second substance. The mixture is also...

microscope

(Encyclopedia)CE5 Compound microscope microscope, optical instrument used to increase the apparent size of an object. The electron microscope, which is not limited by the powers of optical lenses and light,...

Gülen, Fethullah

(Encyclopedia)Gülen, Fethullah, 1941–, Turkish Islamic leader, founder of the Gülen movement, an educational, religious, and social Islamic organization that supported the Justice and Development party (AKP) in...

Kayibanda, Grégoire

(Encyclopedia)Kayibanda, Grégoire grāgwärˈ kīēbänˈdā [key], 1924–76, political leader in Rwanda. A Hutu, he worked as a journalist and later founded the Ruanda (now Rwanda) Cooperative Movement (1952), t...

conceptual art

(Encyclopedia)conceptual art, art movement that began in the 1960s and stresses the artist's concept rather than the art object itself. Growing out of minimalism, conceptual art turned the artist's thoughts and ide...

Divine, Father

(Encyclopedia)Divine, Father, c.1882–1965, African-American religious leader, founder of the Peace Mission movement, b. probably near Savannah, Ga. and named George Baker. After preaching in the South, he moved t...

Americanization

(Encyclopedia)Americanization, term used to describe the movement during the first quarter of the 20th cent. whereby the immigrant in the United States was induced to assimilate American speech, ideals, traditions,...

Zionism

(Encyclopedia)Zionism, modern political movement for reconstituting a Jewish national state in Palestine. After World War II the Zionist movement intensified its activities. The sufferings of the European Jews at...

lyceum, 19th-century American educational association

(Encyclopedia)lyceum līsēˈəm, līˈ– [key], 19th-century American association for popular instruction of adults by lectures, concerts, and other methods. Lyceum groups were concerned with the dissemination of...

Laban, Rudolf von

(Encyclopedia)Laban, Rudolf von fôn läbˈän [key], 1879–1958, Slovakian dancer, choreographer, and dance theorist. After studying in Paris and performing in N Africa, Germany, and Austria, he founded (1910) a ...