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fulminate

(Encyclopedia) fulminatefulminatefŭlˈmĭnāt [key], any salt of fulminic acid, HONC, a highly unstable compound known only in solution. The term is most commonly applied to the explosive mercury (II)…

Abbott, Lyman

(Encyclopedia) Abbott, Lyman, 1835–1922, American clergyman and editor, b. Roxbury, Mass., son of Jacob Abbott. He was ordained a minister in 1860 and was pastor in several churches before succeeding…

Blackwell, Alice Stone

(Encyclopedia) Blackwell, Alice Stone, 1857–1950, American feminist, b. East Orange, N.J., grad. Boston Univ., 1881; daughter of Henry Brown Blackwell and Lucy Stone. She was an editor (1881–1917) of…

Woolley, Mary Emma

(Encyclopedia) Woolley, Mary Emma, 1863–1947, American educator, b. South Norwalk, Conn. After teaching at Wheaton Seminary (1886–91), she attended college and became the first woman to receive (1894…

mica

(Encyclopedia) micamicamīˈkə [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…

manakin

(Encyclopedia) manakinmanakinmănˈəkən [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…

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…

smog

(Encyclopedia) smogsmogsmŏg [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…

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…

grouse

(Encyclopedia) grouse, common name for a game bird of the colder parts of the Northern Hemisphere. There are about 18 species. Grouse are henlike terrestrial birds, protectively plumaged in shades of…