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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...

Lindley, John

(Encyclopedia)Lindley, John, 1799–1865, English botanist and horticulturist. He organized the first flower shows in England and was influential in preserving the Royal Gardens at Kew (see Kew Gardens). In 1829 he...

Lehmann, John

(Encyclopedia)Lehmann, John lāˈmən [key], 1907–89, English poet, editor, and publisher. Educated at Trinity College, Cambridge, he began working at Virginia and Leonard Woolf's Hogarth Press in 1931 and manage...

Leland, John

(Encyclopedia)Leland or Leyland, John, c.1506–1552, English antiquary. He was successively chaplain and librarian to Henry VIII. In 1533 he was appointed king's antiquarian, and in this capacity traveled through ...

Lennon, John

(Encyclopedia)Lennon, John: see Beatles, The. ...

Lansing, John

(Encyclopedia)Lansing, John, 1754–1829?, American political leader and jurist, b. Albany, N.Y. He served as military secretary to Gen. Philip J. Schuyler in the American Revolution and later became a prominent la...

Laski, John

(Encyclopedia)Laski, John yän lăsˈkē [key], Latin Johannes Alasco, 1499–1560, Polish Protestant reformer. A learned priest, he went in 1523 to Basel, where he was a close friend of Erasmus. After returning to...

Laurance, John

(Encyclopedia)Laurance, John lôrˈəns [key], 1750–1810, American Revolutionary officer, b. near Falmouth, Cornwall, England; son-in-law of Alexander MacDougall. A lawyer, he was (1777–82) judge advocate gener...