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Saluki

(Encyclopedia)Saluki səlo͞oˈkē [key], breed of tall, slender hound whose origins may be traced back to the Sumerian empire of 6000 b.c. It stands between 23 and 28 in. (58.4–71.1 cm) high at the shoulder, alt...

amateur

(Encyclopedia)amateur, in sports, one who engages in athletic competition without material recompense. Upper-class Englishmen in the 19th cent. used the concept to help define their social status, first applying th...

magnetism

(Encyclopedia)CE5 Lines of induction around a single bar magnet and between opposite poles of different magnets magnetism, force of attraction or repulsion between various substances, especially those made of i...

Zeeman effect

(Encyclopedia)Zeeman effect, splitting of a single spectral line (see spectrum) into a group of closely spaced lines when the substance producing the single line is subjected to a uniform magnetic field. The effect...

Pennsylvania Railroad

(Encyclopedia)Pennsylvania Railroad, former U.S. transportation company; inc. 1846 by the Pennsylvania legislature. It opened in 1854 as a single-track line between Philadelphia and Pittsburgh. Beginning in 1857, t...

Burlington Northern Santa Fe Railway

(Encyclopedia)Burlington Northern Santa Fe Railway, railroad system in much of the United States (except the Northeast) and in S Canada, created in 1995 from the merger of Burlington Northern Inc. and the Santa Fe ...

Aceldama

(Encyclopedia)Aceldama əkĕlˈdəmə [key] [Aram.,=field of blood], according to the Gospel of St. Matthew, the chief priests bought the potter's field with Judas' 30 pieces of silver as a place to bury foreigners...

Patterson, Floyd

(Encyclopedia)Patterson, Floyd, 1935–2006, American boxer, b. Waco, N.C. He was brought up in Brooklyn, N.Y., and was sent to the Wiltwyck School at Esopus, N.Y., an institution for emotionally disturbed boys, wh...

magnetic resonance

(Encyclopedia)magnetic resonance, in physics and chemistry, phenomenon produced by simultaneously applying a steady magnetic field and electromagnetic radiation (usually radio waves) to a sample of atoms and then a...

Robertson, Sir William Robert

(Encyclopedia)Robertson, Sir William Robert, 1860–1933, British field marshal. He enlisted in the army in 1877 and became an officer in 1888. He was in the intelligence department in India (1892–96) and served ...