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Niagara, river, United States and Canada

(Encyclopedia)Niagara nīăgˈrə [key], river, 34 mi (55 km) long, issuing from Lake Erie between Buffalo, N.Y., and Fort Erie, Ont., Canada. It flows north around Grand Island and over Niagara Falls to Lake Ontar...

Weil, Simone

(Encyclopedia)Weil, Simone sēmônˈ vīl [key], 1909–43, French philosopher and mystic. After receiving her baccalauréat with honors at 15, she studied philosophy for four years, then entered (1928) the prestig...

bull mastiff

(Encyclopedia)bull mastiff măstˈĭf [key], breed of powerful working dog developed in England in the second half of the 19th cent. It stands from 24 to 27 in. (61–68.6 cm) high at the shoulder and weighs from 1...

Stephen II

(Encyclopedia)Stephen II, d. 757, pope (752–57), successor of Pope St. Zacharias. When Rome was threatened by the Lombard king Aistulf, Stephen went to Gaul and appealed to Pepin the Short for help. He became the...

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...

Gaddi, family of Florentine artists

(Encyclopedia)Gaddi gädˈdē [key], celebrated family of Florentine artists. Gaddo Gaddi, c.1260–c.1333, painter and mosaicist, is said by Vasari to have been associated with Cimabue and Giotto. Among the mosaic...

John, three epistles of the New Testament

(Encyclopedia)John, three letters of the New Testament. Traditionally, they are ascribed to John son of Zebedee, the disciple of Jesus. All three letters probably date to the end of the 1st cent. a.d., and may have...

meditation

(Encyclopedia)meditation, religious discipline in which the mind is focused on a single point of reference. It may be a means of invoking divine grace, as in the contemplation by Christian mystics of a spiritual th...

Kouchner, Bernard

(Encyclopedia)Kouchner, Bernard bârnärˈ ko͞oshnârˈ [key], 1939–, French physician, diplomat, and politician. A gastroenterologist by training, he earned his medical degree in France in the late 1960s. He pr...

Brahman cattle

(Encyclopedia)Brahman cattle, breed of beef cattle developed in the S United States in the early 1900s by combining several breeds or strains of zebu cattle of India. Brahman cattle have a very distinctive appearan...