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Spratly Islands

(Encyclopedia)Spratly Islands, group of about 100 low islands and coral reefs in the central South China Sea, intersecting busy shipping lanes. The whole group is claimed by China, Taiwan, and Vietnam, and parts ar...

silicone

(Encyclopedia)silicone, polymer in which atoms of silicon and oxygen alternate in a chain; various organic radicals, such as the methyl group, CH3, are bound to the silicon atoms. Silicones, which are unusually sta...

echo, in acoustics

(Encyclopedia)echo, reflection of a sound wave back to its source in sufficient strength and with a sufficient time lag to be separately distinguished. If a sound wave returns within 1⁄10 sec, the human ear is in...

fine

(Encyclopedia)fine. 1 In criminal law, sum of money exacted by a lawful tribunal as punishment for a crime. In the case of misdemeanors and minor infractions of the law, convicted persons ordinarily have the altern...

Fastolf, Sir John

(Encyclopedia)Fastolf, Sir John făsˈtŏlf [key], 1378?–1459, English soldier. He won distinction for his long service in the latter part of the Hundred Years War. He was knighted some time prior to 1418 for ser...

anointing of the sick

(Encyclopedia)anointing of the sick, sacrament of the Orthodox Eastern Church and the Roman Catholic Church, formerly known as extreme unction. In it a sick or dying person is anointed on eyes, ears, nostrils, lips...

Formulas for Various Areas (table)

(Encyclopedia)Formulas for Various Areas 1 The abbreviations used are: b = base (length of any side of a plane figure); a = altitude (perpendicular distance from the farthest point of the figure to t...

Pérez Rodríguez, Carlos Andrés

(Encyclopedia)Pérez Rodríguez, Carlos Andrés kärˈlōs ändrāsˈ pāˈrās rôdrēˈgās [key], 1922–2010, president of Venezuela (1974–78, 1989–93). An aide to President Rómulo Betancourt, he was secre...

Konrad, George

(Encyclopedia)Konrad, George, or György Konrád dyûrˈdyēkônˈräd [key], 1933–2019, Hungarian novelist and dissident. Konrad's first novel, The Case Worker (1969; tr. 1974), was based on his experiences as a...

Kraepelin, Emil

(Encyclopedia)Kraepelin, Emil krĕpəlēnˈ [key], 1856–1926, German psychiatrist, educated at Würzburg (M.D., 1878). He also studied under Wilhelm Wundt in Leipzig, and was appointed professor of psychiatry at ...