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pothole

(Encyclopedia) pothole, in geology, cylindrical pit formed in the rocky channel of a turbulent stream. It is formed and enlarged by the abrading action of pebbles and cobbles that are carried by…

Oratory, Congregation of the

(Encyclopedia) Oratory, Congregation of the [Lat. abbr., Cong. Orat.], in the Roman Catholic Church, founded in 1575, an association of secular priests organized into independent communities…

babbler

(Encyclopedia) babbler, common name for some members of the large, diversified family Timaliidae, passerine birds found primarily in wooded areas of Asia, Africa, and Australia. Babblers have soft,…

oleaster

(Encyclopedia) oleasteroleasterōˌlēăsˈtər [key], common name for members of the Elaeagnaceae, a family principally of shrubs with leathery leaves and a dense covering of glistening hairs. Most…

soapstone

(Encyclopedia) soapstone or steatitesoapstonestēˈətīt [key], metamorphic rock of which the characteristic and usually chief mineral is talc, but which also contains varying parts of chlorite, mica,…

Van Halen, Eddie

(Encyclopedia) Van Halen, Eddie (Edward Lodewijk Van Halen), 1955–2020, American rock musician and song writer, b. Amsterdam, Netherlands; his family moved to California when he was young. He and…

turquoise

(Encyclopedia) turquoise, hydrous phosphate of aluminum and copper, Al2(OH)3PO4·H2O+Cu, used as a gem. It occurs rarely in crystal form, but is usually cryptocrystalline. Turquoise is opaque and has…

Abbottabad

(Encyclopedia) Abbottabad Abbottabad ăbˈətäbäd [key], city (2020 pop. 1,332,912), NE Pakistan. It is a popular health resort c.4,000 ft (1,220 m) above sea level in the…

Thousand Islands

(Encyclopedia) Thousand Islands, a group of more than 1,800 islands and 3,000 shoals in the St. Lawrence River, E of Lake Ontario, N N.Y. and S Ont., stretching c.50 mi (80 km) along the U.S.-Canada…

Watson, Doc

(Encyclopedia) Watson, Doc (Arthel Lane Watson), 1923–2012, American country-music singer and musician, b. Stony Fork, N.C. Blind from infancy, he learned to play the harmonica, banjo, and guitar in…