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German wirehaired pointer

(Encyclopedia)German wirehaired pointer, breed of large sporting dog developed in Germany in the mid-19th cent. It stands about 24 in. (61 cm) high at the shoulder and weighs about 60 lb (27 kg). Its harsh, wiry ou...

fuller's earth

(Encyclopedia)fuller's earth, mineral substance characterized by the property of absorbing basic colors and removing them from oils. It is composed mainly of alumina, silica, iron oxides, lime, magnesia, and water,...

Equal Employment Opportunity Commission

(Encyclopedia)Equal Employment Opportunity Commission (EEOC), U.S. agency created in 1964 to end discrimination based on race, color, religion, sex, or national origin in employment and to promote programs to make ...

Appia, Adolphe

(Encyclopedia)Appia, Adolphe ädôlfˈ äpˈpyä [key], 1862–1928, Swiss theorist of modern stage lighting and décor. In interpreting Wagner's ideas in scenic designs for his operas, Appia rejected painted scene...

Moronobu

(Encyclopedia)Moronobu (Hishikawa Moronobu) hēshēkäˈwä mōrōˈnōbo͞o [key], c.1618–c.1694, Japanese painter and color-print designer of the ukiyo-e school. He began his career as an embroiderer. His first...

palmtop

(Encyclopedia)palmtop or hand-held personal computer, lightweight, small, battery-powered, general-purpose programmable computer. It typically had a miniaturized full-function, typewriterlike keyboard for input and...

Ostwald, Wilhelm

(Encyclopedia)Ostwald, Wilhelm vĭlˈhĕlm ôstˈvält [key], 1853–1932, German physical chemist and natural philosopher, b. Riga, Latvia. He was professor of chemistry and director of the chemical laboratory (18...

Overbeck, Johann Friedrich

(Encyclopedia)Overbeck, Johann Friedrich yōˈhän frēˈdrĭkh oˈvərbĕk [key], 1789–1869, German religious painter. Expelled from the Vienna Academy because of his opposition to its classicism, he went to Rom...

Percheron horse

(Encyclopedia)Percheron horse pûrˈchərŏnˌ [key], breed of draft horse developed in NW France, originally of Flemish origin, but also containing some Arabian blood (see Arabian horse). For a heavy horse, it has...

optical activity

(Encyclopedia)optical activity, the ability of asymmetric compounds to rotate the orientation of planar polarized light. Such compounds and their mirror images are know as enantiomers, or optical isomers. Although ...