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milk, food

(Encyclopedia) milk, liquid secreted by the mammary glands of female mammals as food for their young. The milk of the cow is most widely used by humans, but the milk of the mare, goat, ewe, buffalo,…

neutralization

(Encyclopedia) neutralization, chemical reaction, according to the Arrhenius theory of acids and bases, in which a water solution of acid is mixed with a water solution of base to form a salt and…

photochemistry

(Encyclopedia) photochemistry, study of chemical processes that are accompanied by or catalyzed by the emission or absorption of visible light or ultraviolet radiation. A molecule in its ground (…

Furtwängler, Wilhelm

(Encyclopedia) Furtwängler, WilhelmFurtwängler, Wilhelmvĭlˈhĕlm [key]Furtwängler, Wilhelm f&oobreve;rtˈvĕng-lər [key], 1886–1954, German conductor, b. Berlin; son of Adolf Furtwängler. One of the…

Ankara

(Encyclopedia) Ankara Ankara ăngˈkərə, Turk. ängˈkärä [key], city (2021 pop. 4,587,558), capital of Turkey and Ankara prov., W central Turkey, at an elevation of c.3,000 ft…

Calvinistic Methodist Church

(Encyclopedia) Calvinistic Methodist Church, Protestant Christian denomination, closely allied to Presbyterianism. It originated in Wales (1735–36) with the evangelistic preaching of Howell Harris,…

trypsin

(Encyclopedia) trypsin, enzyme that acts to degrade protein; it is often referred to as a proteolytic enzyme, or proteinase. Trypsin is one of the three principal digestive proteinases, the other two…

Tsvangirai, Morgan

(Encyclopedia) Tsvangirai, MorganTsvangirai, Morganchänˌgərīˈ [key], 1952–2018, Zimbabwean trade unionist and political leader. In the 1970s, while working in a nickel mine, he joined the Associated…

Mao Zedong

(Encyclopedia) Mao Zedong or Mao Tse-tungMao Tse-tungmou dzŭ-d&oobreve;ng [key], 1893–1976, founder of the People's Republic of China. Mao was one of the most prominent Communist theoreticians…

Luther, Martin

(Encyclopedia) Luther, Martin, 1483–1546, German leader of the Protestant Reformation, b. Eisleben, Saxony, of a family of small, but free, landholders. At Wittenberg the iconoclasts under…