Columbia Encyclopedia

(Encyclopedia) inflammation, reaction of the body to injury or to infectious, allergic, or chemical irritation. The symptoms are redness, swelling, heat, and pain resulting from dilation of the blood vessels in the ...

(Encyclopedia) corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...

(Encyclopedia) currant, northern shrub of the family Saxifragaceae (saxifrage family), of the same genus (Ribes) as the gooseberry bush. The tart berries of the currant may be black, white, or red; the white goosebe...

(Encyclopedia) Warner, Sylvia Townsend, 1893–1978, English novelist and poet. Her first published work was poetry, The Espalier (1925), but she became more generally known with two novels of gentle fantasy, Lolly ...

(Encyclopedia) water moccasin or cottonmouth, highly venomous snake, Ancistrodon piscivorus, of the swamps and bayous of the S United States. Like the closely related copperhead, it is a pit viper and has a heat-sen...

(Encyclopedia) Tower of London, ancient fortress in London, England, just east of the City and on the north bank of the Thames, covering about 13 acres (5.3 hectares). Now used mainly as a museum, it was a royal res...

(Encyclopedia) Venda vĕndˈə [key], former black “homeland” and nominal republic, NE South Africa. It comprised two connected areas near the Zimbabwe border in what is now Limpopo prov. Kruger National Park bo...

(Encyclopedia) turnip, garden vegetable of the same genus of the family Cruciferae (or Brassicaceae; mustard family) as the cabbage; native to Europe, where it has been long cultivated. The two principal kinds are t...

(Encyclopedia) Ross, Harold Wallace, 1892–1951, American editor, b. Aspen, Colo. He founded the New Yorker in 1925 and was its influential managing editor until his death. Ross quit school at the age of 14 to work...

(Encyclopedia) guinea fowl gĭnˈē [key], common name for any of the seven species of gallinaceous birds of the family Numididae, native to Africa and Madagascar. The helmeted guinea fowl, Numida meleagris, from wh...