Columbia Encyclopedia

(Encyclopedia) henna, name for a reddish or black hair dye obtained from the powdered leaves and young shoots of the mignonette tree, or henna shrub (Lawsonia inermis), an Old World shrub of the loosestrife family. ...

(Encyclopedia) wolframite wo͝olˈfrəmītˌ [key], reddish-brown to grayish-black lustrous mineral, a tungstate of iron and manganese, (Fe,Mn)Wo4, occurring in crystals of the monoclinic system. It is the chief ore...

(Encyclopedia) Wien, Wilhelm vĭlˈhĕlm vēn [key], 1864–1928, German physicist. He was professor at the universities of Giessen (1899), Würzburg (1900–1920), and Munich (from 1920). He received the 1911 Nobel...

(Encyclopedia) Hamer, Fannie Lou, 1917–1977, U.S. voting rights activist and civil rights leader, b. Montgomery County, Miss. Fannie Lou Hamer was the first woman fr...

(Encyclopedia) Midlands, region of central England. It is usually considered to include the counties of Derbyshire, Leicestershire, Northamptonshire, Nottinghamshire, Staffordshire, Warwickshire, and Worcestershire,...

(Encyclopedia) Arlberg ärlˈbĕrk [key], pass, 5,946 ft (1,812 m) high, W Austria, on the boundary between Tyrol and Vorarlberg. The Arlberg region forms the water divide between rivers flowing to the North Sea and...

(Encyclopedia) Nicholson, Sir William, 1872–1949, English woodcut artist, illustrator, and painter. The striking contrasts of black and white of his woodcutting technique were used to great effect on posters, on w...

(Encyclopedia) omen, sign or augury believed to foreshadow the future. Almost any occurrence can be interpreted as an omen. The typical omen was a natural phenomenon, such as a meteor, an eclipse, or the flight of b...

(Encyclopedia) Paphlagonia păfˌləgōˈnēə [key], ancient country of N Asia Minor, between Bithynia and Pontus on the Black Sea coast, in modern Turkey. A mountainous district with the Halys as its chief river, ...

(Encyclopedia) photostat fōˈtəstătˌ [key], reproduction of any printed or simple black-and-white material, such as drawings or manuscripts, made by the Photostat, a photographic camera. While slower and more ex...