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photocopying

(Encyclopedia)photocopying, process whereby written or printed matter is directly copied by photographic techniques. Generally, photocopying is practical when just a few copies of an original are needed. When many ...

Kakutani, Shizuo

(Encyclopedia)Kakutani, Shizuo, 1911–2004, Japanese mathematician, b. Osaka, Japan, grad. Tohoko Univ, Ph.D. Princeton, 1941. Kakutani repatriated to Japan during World War II, but returned to Princeton in 1948 a...

tanning

(Encyclopedia)tanning, process by which skins and hides are converted into leather. Vegetable tanning, a method requiring more than a month even with modern machinery and tanning liquors, employs tannin; its use is...

inclosure

(Encyclopedia)inclosure or enclosure, in British history, the process of inclosing (with fences, ditches, hedges, or other barriers) land formerly subject to common rights. Such land included fields cultivated by t...

hardening

(Encyclopedia)hardening, in metallurgy, treatment of metals to increase their resistance to penetration. A metal is harder when it has small grains, which result when the metal is cooled rapidly. Sometimes small ar...

cytomegalovirus

(Encyclopedia)cytomegalovirus sīˌtəmĕgˌəlōvīˈrəs [key], member of the herpesvirus family that can cause serious complications in persons with weakened immune systems and infants. A common virus, it is est...

Delius, Frederick

(Encyclopedia)Delius, Frederick dēlˈyəs [key], 1862–1934, English composer, of German parentage. Influenced by Grieg, Delius combined romanticism and impressionism in his music, which is characterized by rathe...

Bülow, Hans Guido, Freiherr von

(Encyclopedia)Bülow, Hans Guido, Freiherr von frīˈhĕr fən büˈlō [key], 1830–94, German pianist and conductor. After hearing Wagner's Lohengrin in 1850 at Weimar under Liszt's direction, he studied piano ...

Wichita, city, United States

(Encyclopedia)Wichita wĭchˈĭtô [key], city (1990 pop. 304,011), seat of Sedgwick co., S central Kans., at the confluence of the Arkansas and Little Arkansas rivers; inc. 1870. It is the chief commercial and ind...