Columbia Encyclopedia

Search results

500 results found

Spencer, Herbert

(Encyclopedia)Spencer, Herbert, 1820–1903, English philosopher, b. Derby. In 1848 he moved to London, where he was an editor at The Economist and wrote his first major book, Social Statics (1851), which tried to ...

Ponce de León, Juan

(Encyclopedia)Ponce de León, Juan pŏns də lēˈŏn, Span. hwän pōnˈthā dā lāōnˈ [key], c.1460–1521, Spanish explorer, first Westerner to reach Florida. He served against the Moors of Granada, and in 14...

printing

(Encyclopedia)printing, means of producing reproductions of written material or images in multiple copies. There are four traditional types of printing: relief printing (with which this article is mainly concerned)...

Neher, Edwin

(Encyclopedia)Neher, Edwin, 1944–, German biophysicist, Ph.D. Technical Univ. of Munich, 1970. He has been a researcher at the Max Planck Institute for Biophysical Chemistry, Göttingen, Germany, since 1972. Nehe...

neoteny

(Encyclopedia)neoteny nēŏtˈənē [key], in biology, sexual maturity reached in the larval stage of some animals. Certain environmental conditions can inhibit the completion of metamorphosis; low temperature or l...

linoleum block printing

(Encyclopedia)linoleum block printing or linocut, 20th-century development in the art of relief cuts. The linoleum block consists of a thin layer of linoleum mounted on wood; in this the design to be printed is cut...

medlar

(Encyclopedia)medlar mĕdˈlər [key], small deciduous tree (Mespilus germanica) of the family Rosaceae (rose family), native to Europe and Asia. It has luxuriant foliage and large white or pinkish flowers; in the ...

Mercosur

(Encyclopedia)Mercosur or Mercosul, officially the Common Market of the South, Latin American trade organization established in 1991 to increase economic cooperation among the countries of E South America. It is co...

model and modeling

(Encyclopedia)model and modeling, in painting, the use of light and shade to simulate volume in the representation of solids. In sculpture the terms denote a technique involving the use of a pliable material such a...

leaching

(Encyclopedia)leaching, method of extraction in which a solvent is passed through a mixture to remove some desired substance from it. A simple example is the passage of boiling water through ground coffee to dissol...