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grayling

(Encyclopedia)grayling, common name for a brilliantly colored fish belonging to the genus Thymallus, of the family Salmonidae (salmon family), and closely allied to the smelt. Graylings are found chiefly in clear, ...

glass snake

(Encyclopedia)glass snake, common name for the snakelike legless lizards of the genus Ophisaurus found in the S and central United States and in Eurasia. The shiny, scaled body is gray or greenish brown, sometimes ...

Gentile, Giovanni

(Encyclopedia)Gentile, Giovanni jōvänˈnē jāntēˈlā [key], 1875–1944, Italian philosopher and educator. He taught philosophy in several Italian universities and for many years contributed to the magazine of...

flint, mineral

(Encyclopedia)flint, variety of quartz that commonly occurs in rounded nodules and whose crystal structure is not visible to the naked eye. Flint is dark gray, smoky brown, or black in color; pale gray flint is cal...

Jumel Mansion

(Encyclopedia)Jumel Mansion jo͞omĕlˈ, zho͞o– [key], historic house, New York City. The sturdy Georgian mansion was completed in 1766 by Roger Morris, one of the city's wealthy merchants. In the American Revol...

dextrin

(Encyclopedia)dextrin, any one of a number of carbohydrates having the same general formula as starch but a smaller and less complex molecule. They are polysaccharides and are produced as intermediate products in t...

dolomite

(Encyclopedia)dolomite dōˈləmītˌ, dŏlˈə– [key]. 1 Mineral, calcium magnesium carbonate, CaMg (CO3)2. It is commonly crystalline and is white, gray, brown, or reddish in color with a vitreous to pearly lus...

coquilla nut

(Encyclopedia)coquilla nut kōkēˈyə, kōkēlˈyə [key] [Span.,=little coconut], fruit of a Brazilian palm (Attalea funifera), closely related to the coconut palm. Its fruit, 3 to 4 in. (7.6–10.2 cm) long, is ...

Cooper, Leon Neil

(Encyclopedia)Cooper, Leon Neil, 1930–, American neuroscientist, b. New York City, Ph.D. Columbia, 1954. Cooper was a researcher at the Univ. of Illinois from 1955 to 1957 and at Ohio State Univ. from 1957 to 195...

Colorado Plateau

(Encyclopedia)Colorado Plateau, physiographic region of SW North America, c.150,000 sq mi (388,500 sq km), in Arizona, Utah, Colorado, and New Mexico, including the “Four Corners” area. It is characterized by b...