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pleurisy root

(Encyclopedia)pleurisy root: see milkweed.

pleurisy

(Encyclopedia)pleurisy plo͝orˈĭsē [key], inflammation of the pleura (the membrane that covers the lungs and lines the chest cavity). It is sometimes accompanied by pain and coughing. The inflammation may be dry...

Culver's root

(Encyclopedia)Culver's root: see figwort.

coral-root

(Encyclopedia)coral-root: see orchid.

Root, Elihu

(Encyclopedia)Root, Elihu, 1845–1937, American cabinet member and diplomat, b. Clinton, N.Y. Admitted to the bar in 1867, he practiced law in New York City, became prominent in Republican politics, and was appoin...

root crop

(Encyclopedia)root crop, vegetable cultivated chiefly for its edible roots, e.g., the beet, turnip, mangel-wurzel, carrot, and parsnip. All root crops have a large water content and grow best in deeply cultivated s...

square root

(Encyclopedia)square root: see root, in mathematics. ...

Root, George Frederick

(Encyclopedia)Root, George Frederick, 1820–95, American composer, b. Sheffield, Mass. He taught at schools in Boston and New York City. He wrote gospel songs and composed sentimental ballads to Fanny Crosby's lyr...

Root, John Wellborn

(Encyclopedia)Root, John Wellborn, 1850–91, American architect, b. Lumpkin, Ga. He worked in New York City with James Renwick and became a partner of D. H. Burnham in Chicago. The firm created the modern type of ...

root, in botany

(Encyclopedia)CE5 Longitudinal cross section of a root root, in botany, the descending axis of a plant, as contrasted with the stem, the ascending axis. In most plants the root is underground, but in epiphytes ...