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Petition of Right

(Encyclopedia)Petition of Right, 1628, a statement of civil liberties sent by the English Parliament to Charles I. Refusal by Parliament to finance the king's unpopular foreign policy had caused his government to e...

Gawain, Sir

(Encyclopedia)Gawain, Sir gäˈwān, –wĭn [key], one of the most popular heroes of Arthurian legend; nephew of King Arthur. He was regarded, particularly in the early romances, as the model of chivalry—pure, b...

Galahad, Sir

(Encyclopedia)Galahad, Sir gălˈəhădˌ [key], hero of Arthurian legend. He was the son of Launcelot and Elaine, the daughter of King Pelles. Because he was the noblest and purest of the knights of Christendom, h...

Mordred, Sir

(Encyclopedia)Mordred, Sir: see Arthurian legend. ...

Modred, Sir

(Encyclopedia)Modred, Sir: see Arthurian legend. ...

Pelleas, Sir

(Encyclopedia)Pelleas, Sir: see Arthurian legend. ...

Percivale, Sir

(Encyclopedia)Percivale, Sir: see Arthurian legend and Parsifal. ...

Launcelot, Sir

(Encyclopedia)Launcelot, Sir lănˈsəlŏtˌ, lŏnˈ–, lônˈ– [key], in Arthurian legend, bravest and most celebrated knight at the court of King Arthur. He was kidnapped as an infant by the mysterious Lady of...

Grosvenor Gallery

(Encyclopedia)Grosvenor Gallery, founded in London (1877) by Sir Coutts Lindsay (1839–1913), for the independent exhibition (opening May 1 annually) of paintings and sculpture by established artists, both Academi...

nitrous oxide

(Encyclopedia)nitrous oxide or nitrogen (I) oxide, chemical compound, N2O, a colorless gas with a sweetish taste and odor. Its density is 1.977 grams per liter at STP. It is soluble in water, alcohol, ether, and ot...