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postmodernism

(Encyclopedia)postmodernism, term used to designate a multitude of trends—in the arts, philosophy, religion, technology, and many other areas—that come after and deviate from the many 20th-cent. movements that ...

pigmentation

(Encyclopedia)pigmentation, name for the coloring matter found in certain plant and animal cells and for the color produced thereby. Pigmentation occurs in nearly all living organisms. Almost all plants synthesize ...

Newhouse, Samuel Irving

(Encyclopedia)Newhouse, Samuel Irving, 1895–1979, American newspaper and magazine publisher, b. New York City as Solomon Neuhaus, known generally as Sam. From 1922 to the 1970s, his Advance Publications acquired ...

nutria

(Encyclopedia)nutria koiˈpo͞o [key], aquatic rodent, Myocastor coypus, of South America, introduced in the S United States for its fur, which is similar to that of beaver but not as thick or durable. The nutria r...

limestone

(Encyclopedia)limestone, sedimentary rock wholly or in large part composed of calcium carbonate. It is ordinarily white but may be colored by impurities, iron oxide making it brown, yellow, or red and carbon making...

lobefin

(Encyclopedia)lobefin, common name for any of a group of lunged, fleshy-finned, bony fishes, also called crossopterygians, that were dominant in the Devonian period and may have given rise to amphibians. They had h...

melanin

(Encyclopedia)melanin mĕlˈənĭn [key], water-insoluble polymer of various compounds derived from the amino acid tyrosine. It is one of two pigments found in human skin and hair and adds brown to skin color; the ...

musk ox

(Encyclopedia)musk ox, hoofed ruminant mammal, Ovibos moschatus, found in arctic North America and Greenland. The northernmost member of the cattle family (though it is not closely related to true cattle), the musk...

MacNeice, Louis

(Encyclopedia)MacNeice, Louis məknēsˈ [key], 1907–63, Irish poet b. Belfast. Educated at Oxford, he became a classical scholar and teacher and later was a producer and traveled the world for the British Broadc...

mahogany

(Encyclopedia)mahogany, common name for the Meliaceae, a widely distributed family of chiefly tropical shrubs and trees, often having scented wood. The valuable hardwood called mahogany is obtained from many member...