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color

(Encyclopedia)color, effect produced on the eye and its associated nerves by light waves of different wavelength or frequency. Light transmitted from an object to the eye stimulates the different color cones of the...

Ocmulgee

(Encyclopedia)Ocmulgee ōkmŭlˈgē [key], river, c.255 mi (410 km) long, formed SE of Atlanta, NW Ga., by the confluence of the Yellow, South, and Alcovy rivers. It flows SE past Macon to join the Oconee River and...

laburnum

(Encyclopedia)laburnum ləbûrˈnəm [key] or golden chain, small tree (Laburnum anagyroides) of the family Leguminosae (pulse family) with decorative dark green leaves and sprays of bright yellow flowers. It is na...

marsh marigold

(Encyclopedia)marsh marigold, perennial spring-blooming Old World and North American plant (Caltha palustris) of the family Ranunculaceae (buttercup family), found in wet places. It has rounded glossy leaves and la...

mastic

(Encyclopedia)mastic, resin obtained from the small mastic tree Pistacia lentiscus (of the sumac family), found chiefly in Mediterranean countries. When the bark of the tree is injured, the resin exudes in drops. I...

tigernut

(Encyclopedia)tigernut, nearly cosmopolitan perennial (Cyperus esculentum) of the family Cyperaceae (sedge family) of the same genus as the papyrus plant. The tigernut has been cultivated since early times (chiefly...

actinomycosis

(Encyclopedia)actinomycosis ăkˌtənōmīkōˈsĭs [key], chronic suppurative infection that occurs around the face and neck. The disease is characterized by the formation of abscesses, or pus-filled cavities, bel...

Rey, H. A.

(Encyclopedia)Rey, H. A., 1898–1977, German-American writer and illustrator of children's books, b. Hamburg as Hans Augusto Reyersbach. He and his wife, Margret Rey, 1906–1996, b. Hamburg as Margarete Elisabeth...

Rinehart, Mary Roberts

(Encyclopedia)Rinehart, Mary Roberts rīnˈhärt [key], 1876–1958, American novelist, b. Pittsburgh. A graduate nurse, she married Dr. Stanley M. Rinehart in 1896. The first of her many mystery stories, The Circu...

sego lily

(Encyclopedia)sego lily sēˈgō [key], ornamental plant (Calochortus nuttallii) of the family Liliaceae (lily family), also known in parts of the West as mariposa lily. It is native to the region W of the Rocky Mt...

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