(Encyclopedia) hemoglobinhemoglobinhēˈməglōˌbĭn [key], respiratory protein found in the red blood cells (erythrocytes) of all vertebrates and some invertebrates. A hemoglobin molecule is composed of…
(Encyclopedia) Koch, Kenneth (Kenneth Jay Koch)Koch, Kennethkōk [key], 1925–2002, American poet, novelist, and playwright, b. Cincinnati. After studying at Harvard and Columbia he was associated with…
(Encyclopedia) Great Rift Valley, geological fault system of SW Asia and E Africa. It extends c.3,000 mi (4,830 km) from N Syria to central Mozambique. The northernmost extension runs S through Syria…
(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…
(Encyclopedia) Magritte, RenéMagritte, Renérənāˈ mägrētˈ [key], 1898–1967, Belgian surrealist painter. Strongly influenced by Chirico, Magritte developed a style in which a misleading sort of realism…
(Encyclopedia) MarieMariemərēˈ [key], 1875–1938, queen of Romania, consort of Ferdinand. The daughter of Alfred, duke of Edinburgh and of Saxe-Coburg-Gotha, she was the granddaughter of Czar…
(Encyclopedia) Antonelli, GiacomoAntonelli, Giacomojäˈkōmō äntōnĕlˈlē [key], 1806–76, Italian cardinal and statesman of the Roman Catholic Church, adviser to Pope Pius IX. He received the red hat of…
(Encyclopedia) apatiteapatiteăpˈətīt [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…
(Encyclopedia) Courteline, GeorgesCourteline, Georgeszhôrzh k&oomacr;rˌtəlēnˈ [key], 1858–1929, French writer. His prolific humorous and satiric works include sketches, plays, tales, and novels.…
(Encyclopedia) heartwood, the central, woody core of a tree, no longer serving for the conduction of water and dissolved minerals; heartwood is usually denser and darker in color than the outer…
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