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Bermuda grass

(Encyclopedia)Bermuda grass, perennial pasture, lawn, and hay grass (Cynodon dactylon) of the family Poaceae (grass family), native to Africa and Asia and now common in warm regions of both hemispheres. It is the s...

sandstorm

(Encyclopedia)sandstorm, strong dry wind blowing over the desert that raises and carries along clouds of sand or dust often so dense as to obscure the sun and reduce visibility almost to zero; also known as a dusts...

Haskalah

(Encyclopedia)Haskalah häˌskəläˈ [key], [Heb.,=enlightenment] Jewish movement in Europe active from the 1770s to the 1880s. Beginning in Germany in the circle of the German Jewish philosopher Moses Mendelssohn...

Nyos, Lake

(Encyclopedia)Nyos, Lake nēōsˈ [key], freshwater lake in a volcanic crater in North-West prov., Cameroon, 15 mi (24 km) ENE of Wum. On Aug. 21, 1986, carbon dioxide gas was released from the mineral-saturated wa...

Weinberger, Jaromir

(Encyclopedia)Weinberger, Jaromir Czech yäˈrômēr wīnˈbĕrgĕr [key], 1896–1967, Czech composer. Weinberger studied at the conservatories of Prague and Leipzig. In 1939, after extensive travels, he settled i...

geology

(Encyclopedia)geology, science of the earth's history, composition, and structure, and the associated processes. It draws upon chemistry, biology, physics, astronomy, and mathematics (notably statistics) for suppor...

Mande

(Encyclopedia)Mande mänˈdā [key], language group, W Africa, including the Malinke, Dyula, Marka, Mende, Bambara, and Soninke subgroups. The Mande-speakers today number about 3 million and live mainly in Senegal,...

Meissonier, Juste Aurèle

(Encyclopedia)Meissonier, Juste Aurèle māsônyāˈ [key], 1695–1750, French designer, b. Turin. At first a goldsmith, in 1724 he was appointed designer to the king under Louis XV, a position he held until his ...

blackthorn

(Encyclopedia)blackthorn or sloe, low, spreading, thorny bush or small tree (Prunus spinosa) of the plum genus of the family Rosaceae (rose family), having black bark, white flowers, and deep blue fruits, usually r...

rake

(Encyclopedia)rake, farm implement consisting of a row of straight or curved teeth of metal or wood attached to a bar or frame. It is used for gathering hay or grain into piles; for clearing fields, lawns, and yard...