Columbia Encyclopedia

(Encyclopedia) spruce, any plant of the genus Picea, evergreen trees or shrubs of the family Pinaceae (pine family) widely distributed in the Northern Hemisphere. The needles are angular in cross section, rather tha...

(Encyclopedia)  CE5 A. Spherical aberration: Light rays near the edge of the lens are bent more and brought to focus nearer to the lens. B. Chromatic aberration: Shorter wavelengths (higher frequencies) are bent m...

(Encyclopedia) acerola ăsˌərōˈlə [key] or barbados cherry, the edible fruit of Malpighia glabra, of the genera Bunchiosa and Malpighia of the family Malpighiaceae. The fleshy red stone fruits, about the size o...

(Encyclopedia) mutton, flesh of mature sheep prepared as food (as opposed to the flesh of young sheep, which is known as lamb). Mutton is deep red with firm, white fat. In Middle Eastern countries it is a staple mea...

(Encyclopedia) Patchen, Kenneth, 1911–72, American poet and novelist, b. Niles, Ohio. His writings, characterized by complete freedom of form, embrace genres as diverse as satire, fantasy, and metaphysical love po...

(Encyclopedia) Ivrea ēvrĕˈä [key], city, Piedmont, NW Italy, on the Dora Baltea River. It is a commercia...

(Encyclopedia) National Museum of African American History and Culture, Washington, D.C., a division of the Smithsonian Institution. Devoted to the collection, presentation, and preservation of the culture of Africa...

(Encyclopedia) oyster catcher, common name for members of the family Haematopodidae, ploverlike shorebirds, cosmopolitan in distribution. Their distinctive red bills are long, blunt, and flattened, efficient for cat...

(Encyclopedia) Perim pārēmˈ, pērˈĭm [key], Arab. Barim, island, c.5 sq mi (13 sq km), off the SW Arabian peninsula in the Bab el Mandeb strait; it is part of Yemen. A rocky and barren island rising to c.215 ft...

(Encyclopedia) phenolphthalein fēˈnôlthălˈēən [key], or 2,2-Bis(p-hydroxyphenyl) phthalide, C20H14O4, crystalline organic compound. It is used medicinally as a laxative and is widely employed in the laborator...