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scarlet fever

(Encyclopedia)scarlet fever or scarlatina, an acute, communicable infection, caused by group A hemolytic streptococcal bacteria (see streptococcus) that produce an erythrogenic toxin. The disease is now uncommon, p...

spotted lanternfly

(Encyclopedia)spotted lanternfly, common name for a planthopper, Lycorma delicatula, an insect that is native to China, India, and Vietnam, and is an introduced agricultural pest in Korea and the United States. The...

crayfish

(Encyclopedia)crayfish or crawfish, freshwater crustacean smaller than but structurally very similar to its marine relative the lobster, and found in ponds and streams in most parts of the world except Africa. Cray...

guava

(Encyclopedia)guava gwäˈvə [key], small evergreen tree or shrub of the genus Psidium of the family Myrtaceae (myrtle family), native to tropical America and grown elsewhere for its ornamental flowers and edible ...

buoy

(Encyclopedia)buoy boi, bo͞oˈē [key], float anchored in navigable waters to mark channels and indicate dangers to navigation (isolated rocks, mine fields, cables, and the like). The shape, color, number, and mar...

Zhang Yimou

(Encyclopedia)Zhang Yimou, 1951–, Chinese film director. Sentenced to forced labor during the Cultural Revolution (1966–76) because his father had been an officer in Chiang Kai-shek's army, he then studied at t...

Durant

(Encyclopedia)Durant, city (2020 pop. 18,589), seat of Bryan co., S central Okla., in the Red River valley farm area; inc. 1873. It is the commercial and processing c...

rutile

(Encyclopedia)rutile, mineral, one of three forms of titanium dioxide (TiO2; see titanium). It occurs in crystals, often in twins or rosettes, and is typically brownish red, although there are black varieties. Ruti...

Menomonie

(Encyclopedia)Menomonie mənŏmˈənē [key], city (1990 pop. 13,547), seat of Dunn co., W Wis., on the Red Cedar River; platted 1859, inc. 1882. Once a lumber town, it is a trade center in an area of poultry and d...

Mansfield, city and district, England

(Encyclopedia)Mansfield, city (71,325) and district, Nottinghamshire, central England, on the western border of Sherwood Forest. The city lies in a coal district, with manufactures of hosiery, shoes, and metal prod...
 

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