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nail, in anatomy

(Encyclopedia)nail, in anatomy, the horny outgrowth shielding the tip of the finger and the toe in humans and most other primates. The nail consists of dead cells pushed outward by dividing cells in the root, a fol...

number

(Encyclopedia)number, entity describing the magnitude or position of a mathematical object or extensions of these concepts. A real or complex number z is called algebraic if it is the root of a polynomial equati...

parsnip, in botany

(Encyclopedia)parsnip, garden plant (Pastinaca sativa) of the family Umbelliferae (parsley family), native to the Old World. It has been cultivated since Roman times for its long, fleshy, edible root. Wine and beer...

Devoy, John

(Encyclopedia)Devoy, John dĭvoiˈ [key], 1842–1928, Irish-American journalist and Irish revolutionary, b. Ireland. He joined the Irish Republican Brotherhood (see Fenian movement) in 1861. For proselytizing with...

Dewey, John

(Encyclopedia)Dewey, John, 1859–1952, American philosopher and educator, b. Burlington, Vt., grad. Univ. of Vermont, 1879, Ph.D. Johns Hopkins, 1884. He taught at the universities of Minnesota (1888–89), Michig...

Dickinson, John

(Encyclopedia)Dickinson, John, 1732–1808, American patriot and statesman, b. Talbot co., Md. After studying law in Philadelphia and in London at the Middle Temple, he developed a highly successful practice in Phi...

Digby, John

(Encyclopedia)Digby, John: see Bristol, John Digby, 1st earl of. ...

Dillinger, John

(Encyclopedia)Dillinger, John dĭlˈĭnjər [key], 1902–34, American bank robber, probably b. Indianapolis. Paroled after serving a prison term for attempted robbery, Dillinger organized a gang and terrorized the...

Dillon, John

(Encyclopedia)Dillon, John, 1851–1927, Irish nationalist. A supporter of Charles Stewart Parnell, he entered Parliament in 1880 and was arrested several times for his advocacy of boycotting and agrarian agitation...

Durkee, John

(Encyclopedia)Durkee, John dûrˈkē [key], 1728–82, American pioneer and Revolutionary officer, b. Windham, Conn. Durkee, a leading member of the Connecticut Sons of Liberty, led the group that forced Jared Inge...