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chivalry

(Encyclopedia)chivalry shĭvˈəlrē [key], system of ethical ideals that arose from feudalism and had its highest development in the 12th and 13th cent. Chivalric ethics originated chiefly in France and Spain and ...

climate

(Encyclopedia)climate, average condition of the atmosphere near the earth's surface over a long period of time, taking into account temperature, precipitation (see rain), humidity, wind, barometric pressure, and ot...

Northwest Passage

(Encyclopedia)Northwest Passage, water routes through the Arctic Archipelago, N Canada, and along the northern coast of Alaska between the Pacific and Atlantic oceans. Even though the explorers of the 16th cent. de...

Pacific Ocean

(Encyclopedia)CE5 Pacific Ocean, largest and deepest ocean, c.70,000,000 sq mi (181,300,000 sq km), occupying about one third of the earth's surface; named by the explorer Ferdinand Magellan; the southern part i...

Neanderthal man

(Encyclopedia)Neanderthal man –tôlˌ [key], a species of Homo, the genus to which contemporary humans belong, known as H. neandertalensis after Neanderthal (now Neandertal), Germany, the valley where the first s...

rain

(Encyclopedia)rain, precipitation in liquid form. It consists of drops of water falling from clouds; if the drops are very small, they are collectively termed drizzle. Rain plays a key role in the hydrologic, or wa...

French architecture

(Encyclopedia)French architecture, structures created in the area of Europe that is now France. Engineers and architects, including François Hennebique, Auguste Perret, and Tony Garnier, pioneered the use of rei...

ecology

(Encyclopedia)ecology, study of the relationships of organisms to their physical environment and to one another. The study of an individual organism or a single species is termed autecology; the study of groups of ...

exploration

(Encyclopedia)exploration, travel to a part of the earth that is relatively unknown to the traveler's culture, historically often motivated by a desire for colonization, conquest, or trade. See also space explorati...

Wordsworth, William

(Encyclopedia)Wordsworth, William, 1770–1850, English poet, b. Cockermouth, Cumberland. One of the great English poets, he was a leader of the romantic movement in England. Wordsworth's personality and poetry ...