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corns and calluses

(Encyclopedia)corns and calluses, thickenings of the outer layer of skin where there is irritation or constant pressure. Corns are cone-shaped with their points protruding into the dermis, or inner layer of skin. T...

Coptos

(Encyclopedia)Coptos kŏpˈtəs [key], ancient city of Egypt, on the right bank of the Nile, c.27 mi (43 km) N of modern Luxor. Remains of the Temple of Min, patron god of Coptos, have been found there as well as r...

dragon's blood

(Encyclopedia)dragon's blood, name for a red resin obtained from a number of different plants. It was held by early Greeks, Romans, and Arabs to have medicinal properties; Dioscorides and other early writers descri...

O'Connor, Basil

(Encyclopedia)O'Connor, Basil (Daniel Basil O'Connor), 1892–1972, American lawyer and philanthropic official, b. Taunton, Mass., grad. Harvard Law School, 1915. He practiced law in New York and Boston, entering i...

O'Donnell, Hugh Roe

(Encyclopedia)O'Donnell, Hugh Roe, 1571?–1602, Irish chieftain and ruler of Tyrconnel (modern Donegal), known as Red Hugh. His father tended to favor the English, who left him free to continue the traditional O'D...

Moro, Aldo

(Encyclopedia)Moro, Aldo älˈdō môˈrō [key], 1916–78, Italian political leader. A lawyer, he entered national politics in 1946, when he was elected to the constituent assembly as a member of the Christian De...

Ouachita

(Encyclopedia)Ouachita wôˈshĭtôˌ [key], river, c.600 mi (970 km) long, rising in the Ouachita Mts., W Ark. It flows east, southeast, and south through a cotton-producing region of S Arkansas and NE Louisiana a...

Natchitoches

(Encyclopedia)Natchitoches nakˈətäsh [key], city (1990 pop. 16,609), seat of Natchitoches parish, NW La.; inc. 1819. Its industry is centered on the production, processing, and shipping of lumber and farm produc...

Palmer, Alexander Mitchell

(Encyclopedia)Palmer, Alexander Mitchell päˈmər [key], 1872–1936, American politician, b. Moosehead, Pa. Admitted (1893) to the bar, he built up a large law practice, became a leader in the state Democratic pa...

Perrault, Charles

(Encyclopedia)Perrault, Charles shärl pĕrōˈ [key], 1628–1703, French poet. His collections of eight fairy tales, Histoires ou contes du temps passé [stories or tales of olden times] (1697) gave classic form ...