Columbia Encyclopedia

Search results

500 results found

spring, in geology

(Encyclopedia)spring, in geology, natural flow of water from the ground or from rocks, representing an outlet for the water that has accumulated in permeable rock strata underground. Some of the water that falls as...

Witte, Emanuel de

(Encyclopedia)Witte, Emanuel de āmäˈno͞oĕl də vĭtˈə [key], 1617–92, Dutch painter. Witte's paintings of architecture, genre scenes, seascapes, and portraits were influenced by the work of Elsheimer. Witt...

concretion

(Encyclopedia)concretion, mass or nodule of mineral matter, usually oval or nearly spherical in shape, and occurring in sedimentary rock. It is formed by the accumulation of mineral matter in the pore spaces of the...

talus

(Encyclopedia)talus tāˈləs [key], deposit of rock fragments detached from cliffs or mountain slopes by weathering and piled up at their bases. A talus is a common geologic feature in regions of high cliffs. The ...

Cashel

(Encyclopedia)Cashel kăˈshəl [key] [Irish,=castle], town, Co. Tipperary, S central Republic of Ireland. ...

Soulages, Pierre

(Encyclopedia)Soulages, Pierre, 1919–, French abstract painter. Largely self-taught, he has been influenced by the carved prehistoric standing stones, Romanesque sculptures, and other art found where he was raise...

Nicholson, Ben

(Encyclopedia)Nicholson, Ben, 1894–1982, English painter; son of Sir William Nicholson. Nicholson's geometric abstractions of landscapes and still lifes are discreetly colored and lyrically expressed. In works su...

Laer, Pieter van

(Encyclopedia)Laer or Laar, Pieter van both: pēˈtər vän lär [key], c.1592–1642, Dutch landscape and genre painter and etcher. In 1625 he went to Rome, where he stayed until 1639. He was nicknamed Il Bambocci...

Herrera, Carmen

(Encyclopedia)Herrera, Carmen, 1915–, Cuban-American abstract painter, b. Havana. After studying architecture at the Univ. of Havana (1938–39), she trained at the Art Students League, New York (1942–43), then...

well

(Encyclopedia)well, aperture in the earth's surface through which substances in a natural underground reservoir, such as water, gas, oil, salt, and sulfur, can flow or be pumped to the surface. In the United States...