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biophysics

(Encyclopedia)biophysics, application of various methods and principles of physical science to the study of biological problems. In physiological biophysics physical mechanisms have been used to explain such biolog...

chemistry

(Encyclopedia)chemistry, branch of science concerned with the properties, composition, and structure of substances and the changes they undergo when they combine or react under specified conditions. Organic chemi...

Lockhart, John Gibson

(Encyclopedia)Lockhart, John Gibson, 1794–1854, Scottish editor, lawyer, literary critic, and biographer; son-in-law and biographer of Sir Walter Scott. A major contributor to Blackwood's Magazine, he also was ed...

model and modeling

(Encyclopedia)model and modeling, in painting, the use of light and shade to simulate volume in the representation of solids. In sculpture the terms denote a technique involving the use of a pliable material such a...

Monumenta Germaniae historica

(Encyclopedia)Monumenta Germaniae historica mŏnyo͞omĕnˈtə jərmāˈnē-ē hĭstôrˈĭkə [key], comprehensive critical editions of the sources of medieval German history. The first society created to publish ...

Munro, Wilfred Harold

(Encyclopedia)Munro, Wilfred Harold, 1849–1934, American historian and educator, b. Bristol, R.I.; brother of Dana Carleton Munro. From 1870 to 1871 he was a master at De Veaux College, Niagara Falls, N.Y., where...

Masudi, Abd al-Hasan Ali ibn al-Husayn

(Encyclopedia)Masudi, Abd al-Hasan Ali ibn al-Husayn mäso͞oˈdē [key], d. 956, Arab historian, geographer, and philosopher, b. Baghdad. He traveled in Spain, Russia, India, Sri Lanka, and China and spent his las...

Timrod, Henry

(Encyclopedia)Timrod, Henry, 1828–67, American poet, b. Charleston, S.C., studied at the Univ. of Georgia. He was known as “the laureate of the Confederacy.” Timrod became editor of the Columbia South Carolin...

Sharp, William

(Encyclopedia)Sharp, William, pseud. Fiona Macleod fēˈnə məkloudˈ, fēōˈnə [key], 1855–1905, Scottish poet and man of letters. Under his own name he wrote literary biographies; poems, including the volume...

compressed air

(Encyclopedia)compressed air, air whose volume has been decreased by the application of pressure. Air is compressed by various devices, including the simple hand pump and the reciprocating, rotary, centrifugal, and...