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right ascension

(Encyclopedia)right ascension, in astronomy, one of the coordinates in the equatorial coordinate system. The right ascension of a celestial body is the angular distance measured eastward from the vernal equinox alo...

Devils Island

(Encyclopedia)Devils Island, Fr. Île du Diable, the smallest and southernmost of the Îles du Salut, in the Caribbean Sea off French Guiana. A penal colony founded in 1852, it was used largely for political prison...

Duncan, Robert Kennedy

(Encyclopedia)Duncan, Robert Kennedy, 1868–1914, American industrial chemist and educator b. Brantford, Ont., grad. Univ. of Toronto (B.A., 1892). He was professor at the Univ. of Kansas (1906–10) and at the Un...

chloral hydrate

(Encyclopedia)chloral hydrate klōrˈəl hīˈdrāt [key], central nervous system depressant that is widely used as a hypnotic, or sleep-inducing drug. Chloral hydrate is the common ingredient, along with alcohol, ...

Chiayi

(Encyclopedia)Chiayi jyäˈēˈ [key], city, S Taiwan. It is an agricultural market for rice, peanuts, vege...

internal medicine

(Encyclopedia)internal medicine, branch of medicine concerned with nonsurgical remedies for diseases of the internal organs. While the internist is trained to diagnose and treat all pathologies of the various inter...

Hauer, Josef Matthias

(Encyclopedia)Hauer, Josef Matthias yōˈzĕf mätēäs houˈər [key], 1883–1959, Austrian music theorist and composer. Primarily self-taught, Hauer devised a method of atonal composition that used the 12 tones ...

Hall, Marshall

(Encyclopedia)Hall, Marshall, 1790–1857, English physician and physiologist, M.D. Univ. of Edinburgh, 1812. He practiced medicine in Nottingham and in London. He opposed bloodletting and devised a method of artif...

Hahnemann, Samuel

(Encyclopedia)Hahnemann, Samuel zäˈmo͞oĕl häˈnəmän [key], 1755–1843, German physician, founder of homeopathy. He expounded his system in Organon of the Rational Art of Healing (1810, tr. 1913). He practic...

Gross, Samuel David

(Encyclopedia)Gross, Samuel David, 1805–84, American surgeon, b. near Easton, Pa., M.D. Jefferson Medical College, Philadelphia, 1828. He taught at the medical colleges of several universities and at Jefferson fr...