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blackleg

(Encyclopedia)blackleg or black quarter, acute infectious disease of cattle, less often of sheep, caused by an organism of the genus Clostridium. It is characterized by inflammation of muscles with swelling and pai...

rubella

(Encyclopedia)rubella or German measles, acute infectious disease of children and young adults. It is caused by a filterable virus that is spread by droplet spray from the respiratory tract of an infected individua...

glaucoma

(Encyclopedia)glaucoma glôkōˈmə [key], ocular disorder characterized by pressure within the eyeball caused by an excessive amount of aqueous humor (the fluid substance filling the eyeball). This causes pressure...

Choderlos de Laclos

(Encyclopedia)Choderlos de Laclos: see Laclos, Pierre Ambroise François Choderlos de. ...

Pelée

(Encyclopedia)Pelée pəlāˈ [key], volcano, 4,429 ft (1,350 m) high, on N Martinique, in the West Indies. On May 8, 1902, the day after the eruption of Soufrière on St. Vincent, Pelée also erupted, engulfing Sa...

Washington Island, United States

(Encyclopedia)Washington Island, c.20 sq mi (50 sq km), NE Wis., in NW Lake Michigan, just off the northern tip of the Door Peninsula. The island was visited by the French explorers Pierre Radisson (1657) and Rober...

Newcastle disease

(Encyclopedia)Newcastle disease, pneumoencephalitis, acute viral disease of domestic poultry. Newcastle disease is characterized by sneezing, coughing, and nervous behavior. Affected birds may show tremors, circlin...

erysipelas

(Encyclopedia)erysipelas ĕrəsĭpˈələs [key], acute infection of the skin characterized by a sharply demarcated, shiny red swelling, accompanied by high fever and a feeling of general illness. The causative age...

Fortune Bay

(Encyclopedia)Fortune Bay, arm of the Atlantic Ocean, c.80 mi (130 km) long, S Newfoundland, N.L., Canada. Its shores are lined with many fishing villages. The French islands of St. Pierre and Miquelon are at its m...

laryngitis

(Encyclopedia)laryngitis, inflammation of the mucous membrane of the voice box, or larynx, usually accompanied by hoarseness, sore throat, and coughing. Acute laryngitis is often a secondary bacterial infection tri...