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Franks

(Encyclopedia)Franks, group of Germanic tribes. By the 3d cent. a.d., they were settled along the lower and middle Rhine. The two major divisions were the Salian Franks in the north and the Ripuarian Franks in the ...

cyanobacteria

(Encyclopedia)cyanobacteria sīˌənōbăktĭrˈēə, sī-ănˌō– [key] or blue-green algae, photosynthetic bacteria that contain chlorophyll. For many years they were classified in the plant kingdom along with ...

Tafilalt

(Encyclopedia)Tafilalt –lĕt [key], oasis in the Sahara, SE Morocco, c.530 sq mi (1,370 sq km). It has date groves and small trading settlements. After c.760 it was an independent kingdom for nearly two centuries...

Gloucester, Thomas of Woodstock, duke of

(Encyclopedia)Gloucester, Thomas of Woodstock, duke of, 1355–97, English nobleman; youngest son of Edward III. He was betrothed (1374) to Eleanor, heiress of Humphrey de Bohun, earl of Hereford, and became earl o...

District of Columbia, University of the

(Encyclopedia)District of Columbia, University of the, at Washington, D.C.; coeducational; land-grant and federally supported; est. 1976 with the merger of three existing colleges; predominantly African American. I...

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