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Howard, John, English prison reformer

(Encyclopedia)Howard, John, 1726–90, English prison reformer. He had great influence in improving sanitary conditions and securing humane treatment in prisons throughout Europe. He was responsible (1774) for pers...

Moley, Raymond Charles

(Encyclopedia)Moley, Raymond Charles mōˈlē [key], 1886–1975, American political economist, b. Berea, Ohio, grad. Baldwin-Wallace College, 1906, Ph.D. Columbia, 1918. He taught at Western Reserve Univ. (1916–...

trypanosomiasis

(Encyclopedia)trypanosomiasis trəpănˌəsōmīˈəsis [key], infectious disease caused by a protozoan organism, the trypanosome, which exists as a parasite in the blood of a number of vertebrate hosts. The three ...

sandpaper

(Encyclopedia)sandpaper, abrasive originally made by gluing grains of sand to heavy paper sheets. Today sandpaper is made primarily with quartz, aluminum oxide, or silicon carbide grains, and is graded according to...

rotavirus

(Encyclopedia)rotavirus, double-stranded RNA virus, genus Rotavirus, with a wheellike appearance that can cause severe watery diarrhea and vomiting, sometimes leading to severe dehydration and death. The virus is t...

oxycodone

(Encyclopedia) oxycodone is a synthetic opioid developed to treat pain. Oxycodone was originally developed in Germany in 1917 from a synthesis of thebaine, an alkaloi...

Ford, Betty

(Encyclopedia)Ford, Betty, 1918–2011, American first lady (1974–77), wife of President Gerald Ford, b. Chicago as Elizabeth Anne Bloomer. A candid, outspoken, and popular first lady, she became an effective soc...

servomechanism

(Encyclopedia)servomechanism, automatic device for the control of a large power output by means of a small power input or for maintaining correct operating conditions in a mechanism. It is a type of feedback contro...

Rockefeller Foundation

(Encyclopedia)Rockefeller Foundation, philanthropic institution established (1913) by John D. Rockefeller, Sr., to promote “the well-being of mankind throughout the world.” During its first 14 years the foundat...