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bobwhite

(Encyclopedia)bobwhite, common name for an American henlike bird of the family Phasianidae, which also includes the pheasant and the partridge. The eastern bobwhite quail (Colinus virginianus) is about 10 in. (25 c...

phenol

(Encyclopedia)phenol fēˈnōl [key], C6H5OH, a colorless, crystalline solid that melts at about 41℃, boils at 182℃, and is soluble in ethanol and ether and somewhat soluble in water. An aromatic alcohol, it ex...

purslane

(Encyclopedia)CE5 Purslane, Portulaca oleraceae purslane, common name for some plants of the Portulaceae, a family of herbs and a few small shrubs, chiefly of the Americas. The portulacas or purslanes (genus Po...

rocket, in botany

(Encyclopedia)rocket, in botany, popular name for several plants of the family Cruciferae (or Brassicaceae; mustard family). The dame's, or damask, violet, damewort, or sweet rocket is Hesperis matronalis, a hardy,...

blackbird

(Encyclopedia)blackbird, common name in North America of a perching bird allied to the bobolink, the meadow lark, the oriole, and the grackle and belonging to the family Icteridae. The European blackbird, Turdus me...

Barth, John

(Encyclopedia)Barth, John bärth [key], 1930–, American writer, b. Cambridge, Md. He attended Johns Hopkins (B.A. 1951, M.A. 1952), and, beginning in 1973, taught writing at its graduate school for nearly 20 year...

hydroponics

(Encyclopedia)hydroponics, growing of plants without soil in water to which nutrients have been added. Hydroponics has been used for over a century as a research technique, but not until 1929 were experiments condu...

lettuce

(Encyclopedia)lettuce, annual garden plant (Lactuca sativa and varieties) of the family Asteraceae (aster family), probably native to the East Indies or Asia Minor, possibly as a derivative of the widespread weed c...

milkweed

(Encyclopedia)milkweed, common name for members of the Asclepiadaceae, a family of mostly perennial herbs and shrubs characterized by milky sap, a tuft of silky hairs attached to the seed (for wind distribution), a...

belladonna

(Encyclopedia)belladonna bĕlədŏnˈə [key] or deadly nightshade, poisonous perennial plant, Atropa belladona, of the nightshade family. Native to Europe and now grown in the United States, the plant has reddish,...

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