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yarn

(Encyclopedia) yarn, fibers or filaments formed into a continuous strand for use in weaving textiles or for the manufacture of thread. A staple fiber, such as cotton, linen, or wool, is made into…

Alberti, Rafael

(Encyclopedia) Alberti, RafaelAlberti, Rafaelräfäĕlˈ [key]Alberti, Rafael älbĕrˈtē [key], 1902–99, Spanish poet. After abandoning an earlier career as a painter, Alberti published his first book,…

O'Keeffe, Georgia

(Encyclopedia) O'Keeffe, GeorgiaO'Keeffe, Georgiaōkēfˈ [key], 1887–1986, American painter, b. Sun Prairie, Wis. After working briefly as a commercial artist in Chicago, O'Keeffe abandoned painting…

hyena

(Encyclopedia) hyenahyenahī-ēˈnə [key], carnivorous, chiefly nocturnal mammal of the Old World family Hyaenidae. Although doglike in appearance, hyenas are more closely related to civets (family…

wire

(Encyclopedia) wire, metal filament, strand, or solid rod usually having a round cross section. Metals and alloys used for wiremaking are chosen for high tensile strength and ductility or for their…

rayon

(Encyclopedia) rayon, synthetic fibers made from cellulose or textiles woven from such fibers; more rayon is manufactured than any other synthetic fiber. The name was adopted (1924), in preference to…

poet laureate

(Encyclopedia) poet laureatepoet laureatelôˈrēĭt [key], title conferred in Britain by the monarch on a poet whose duty it is to write commemorative odes and verse. It is an outgrowth of the medieval…

The Chemistry of Biology: Nucleic Acids

Nucleic AcidsThe Chemistry of BiologyIntroductionAtomic TheoryChemical Reactions: Ionic, Covalent, and Polar Covalent BondsWaterOrganic ChemistryCarbohydratesLipidsProteinsNucleic AcidsVitamins and…

Christina Rossetti: Autumn

AutumnI dwell alone—I dwell alone, alone, Whilst full my river flows down to the sea, Gilded with flashing boats That bring no friend to me: O love-songs, gurgling from a hundred throats…