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Ryder, Albert Pinkham

(Encyclopedia)Ryder, Albert Pinkham, 1847–1917, American painter, b. New Bedford, Mass. In 1867 his family moved to New York City. There he studied with W. E. Marshall, the engraver, and at the National Academy o...

neon

(Encyclopedia)neon nēˈŏn [key] [Gr.,=new], gaseous chemical element; symbol Ne; at. no. 10; at. wt. 20.1797; m.p. −248.67℃; b.p. −246.048℃; density 0.8999 grams per liter at STP; valence 0. Neon is a col...

vortex

(Encyclopedia)vortex vôrˈtĕks [key], mass of fluid in whirling or rotary motion. To simplify the analysis, vortex motion usually describes motions in a frictionless fluid. In such cases the absence of friction w...

stealth technology

(Encyclopedia)stealth technology, designs and materials engineered for the military purpose of avoiding detection by radar or any other electronic system. Stealth, or antidetection, technology is applied to vehicle...

Stimson, Henry Lewis

(Encyclopedia)Stimson, Henry Lewis, 1867–1950, American statesman, b. New York City. A graduate of Yale and of Harvard, he became associated with Elihu Root in law practice in New York City. Stimson was (1906–9...

biochemistry

(Encyclopedia)biochemistry, science concerned chiefly with the chemistry of biological processes; it attempts to utilize the tools and concepts of chemistry, particularly organic and physical chemistry, for elucida...

Brooks, Garth

(Encyclopedia) Brooks, Garth , 1962- , American country singer/songwriter, b. Luba, OK, Oklahoma State Univ. (B.A., 1984). Brooks's mother was a country singer who pe...

centrifuge

(Encyclopedia)centrifuge sĕnˈtrəfyo͞oj [key], device using centrifugal force to separate two or more substances of different density, e.g., two liquids or a liquid and a solid. The centrifuge consists of a fixe...

fats and oils

(Encyclopedia)fats and oils, group of organic substances that form an important part of the diet and also are useful in many industries. The fats are usually solid, the oils generally liquid at ordinary room temper...

acupuncture

(Encyclopedia)CE5 Acupuncture points for treating diseases of the large intestine. acupuncture ăkˈyo͝opŭngˌchər [key], technique of traditional Chinese medicine, in which a number of very fine metal needl...