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chernozem

(Encyclopedia)chernozem chĕrˈnəzĕmˌ [key] or black earth, variety of soil rich in organic matter in the form of humus. It is generally a modified type of loess. True chernozem is black in color, but there are ...

chalcedony

(Encyclopedia)chalcedony kălsĕdˈənē [key] [from Chalcedon], form of quartz the crystals of which are so minute that its crystalline structure cannot be seen except with the aid of a microscope. Chalcedony has ...

Clinton, George

(Encyclopedia) Clinton, George, 1941- , American singer, songwriter, producer, and bandleader, b. Kannapolis, N.C. Although born in North Carolina, Clinton was ...

ipecac

(Encyclopedia)ipecac ĭpˈĭkăk [key], drug obtained from the dried roots of a creeping shrub, Cephaelis (or Psychotria) ipecacuanha, native to Brazil but cultivated in other tropical climates. There are three var...

Harte, Bret

(Encyclopedia)Harte, Bret (Francis Brett Harte) härt [key], 1836–1902, American writer of short stories and humorous verse, b. Albany, N.Y. At 19 he went to California, where he tried his hand at teaching, clerk...

Goodrich, Leland Matthew

(Encyclopedia)Goodrich, Leland Matthew, 1899–1990, American political scientist, b. Lewiston, Maine, grad. Bowdoin College, 1920, and Harvard (M.A., 1921; Ph.D., 1925). He taught political science at Brown Univ. ...

Jackson, Mahalia

(Encyclopedia)Jackson, Mahalia məhălˈyə [key], 1911–72, American gospel singer, b. New Orleans. She sang in church choirs during her childhood. Moving (1927) to Chicago, she worked at various menial jobs and ...

monazite

(Encyclopedia)monazite mŏnˈəzīt [key], yellow to reddish-brown natural phosphate of the rare earths, mainly the cerium and lanthanum metals, usually with some thorium. Yttrium, calcium, iron, and silica are fre...

Parra, Nicanor

(Encyclopedia)Parra, Nicanor nēkänōrˈ päˈrä [key], 1914–2018, Chilean poet, grad. Univ. of Chile (1938), studied at Brown, Oxford. A poet who was also a mathematician and physicist and a professor of theor...

nutcracker

(Encyclopedia)nutcracker, common name for a small crow of the genus Nucifraga in the family Corvidae (crow family). The Old World nutcracker (N. caryocatactes) is found throughout the colder regions of Europe, incl...