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mica

(Encyclopedia)mica mīˈkə [key], general term for a large group of minerals, hydrous silicates of aluminum and potassium, often containing magnesium, ferrous iron, ferric iron, sodium, and lithium and more rarely...

manakin

(Encyclopedia)manakin mănˈəkən [key], common name for stocky, tiny birds, most measuring less than 5 in. (12.5 cm) long, comprising 59 species in the family Pipridae. Manakins are found throughout the forested ...

leafhopper

(Encyclopedia)leafhopper, common name for small, wedge-shaped leaping insects, cosmopolitan in distribution, belonging to the family Cicadellidae, which comprises some 5,500 species of insects. Some are brightly co...

smog

(Encyclopedia)smog smŏg [key] [smoke+fog], dense, visible air pollution. Smog is commonly of two types. The gray smog of older industrial cities like London and New York derives from the massive combustion of coal...

oxpecker

(Encyclopedia)oxpecker, common name for an African starling of the genus Buphagus. Also known as tickbirds, oxpeckers have very short legs and sharp claws, which aid them in perching on the backs of large mammals, ...

Blair, Tony

(Encyclopedia)Blair, Tony (Anthony Charles Lynton Blair), 1953–, British politician, b. Edinburgh. An Oxford-educated lawyer, he was first elected to Parliament in 1983 as the Labour party candidate from a distri...

De Pere

(Encyclopedia)De Pere dĭ pēr [key], city (2020 pop. 25,410), Brown co., E central Wis., on the Fox River;...

cryolite

(Encyclopedia)cryolite or kryolite both: krīˈəlītˌ [key] [Gr.,=frost stone], mineral usually pure white or colorless but sometimes tinted in shades of pink, brown, or even black and having a luster like that o...

Chambersburg

(Encyclopedia)Chambersburg, borough (2020 pop. 21,903), seat of Franklin co., S Pa.; settled 1730, inc. 1803. Food products, apparel, construction materials, and tran...

apatite

(Encyclopedia)apatite ăpˈətīt [key], mineral, a phosphate of calcium containing chlorine or fluorine, or both, that is transparent to opaque in shades of green, brown, yellow, white, red, and purple. Apatite is...