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delta

(Encyclopedia)delta [from triangular shape of the Nile delta, like the Greek letter delta], a deposit of clay, silt, and sand formed at the mouth of a river where the stream loses velocity and drops part of its sed...

dogtooth violet

(Encyclopedia)dogtooth violet, originally a name for the Old World plant Erythronium denscanis, now applied also to several North American species of the same genus of the family Liliaceae (lily family). The most c...

oxeye

(Encyclopedia)oxeye, name for several plants, e.g., the oxeye daisy and black-eyed Susan, but particularly for two genera: Heliopsis, native to North America, and Buphthalmum, native to Europe and W Asia but cultiv...

forsythia

(Encyclopedia)forsythia fôrsĭthˈēə [key], common name for any member of the small genus Forsythia of the family Oleaceae (olive family), European and Asian shrubs with abundant bell-shaped yellow flowers that ...

amphibole

(Encyclopedia)amphibole ămˈfəbōlˌ [key], any of a group of widely distributed rock-forming minerals, magnesium-iron silicates, often with traces of calcium, aluminum, sodium, titanium, and other elements. The ...

Kaifeng

(Encyclopedia)Kaifeng kī-fŭng [key], city (1994 est. pop. 535,300), NE Henan prov., China, on the Longhai RR. It is a commercial, agricultural, and industrial center. Manufactures include agricultural machinery, ...

Smith, Stevie

(Encyclopedia)Smith, Stevie (Margaret Florence Smith), 1902–71, English poet and novelist, b. Hull, Yorkshire. At first unnoticed as a poet, she worked in a London publisher's office until 1953. Steadily gaining ...

agrimony

(Encyclopedia)agrimony ăgˈrĭmōˌnē [key], any plant of the genus Agrimonia, perennials of the family Rosaceae (rose family) native to north temperate zones, to Brazil, and to Africa. They are found wild in the...

wallflower

(Encyclopedia)wallflower, Mediterranean perennial (Cheiranthus cheiri) of the family Cruciferae (or Brassicaceae; mustard family), particularly popular in Europe, where it flourishes on old walls. An old-fashioned ...

waxwing

(Encyclopedia)waxwing, any of three species of perching songbirds of the Northern Hemisphere. Waxwings have crests (raised only in alarm) and sleek brownish-gray plumage with flecks of red pigment resembling sealin...