Columbia Encyclopedia

Search results

339 results found

cardiopulmonary resuscitation

(Encyclopedia)cardiopulmonary resuscitation (CPR), emergency procedure used to treat victims of cardiac and respiratory arrest. CPR can be done in a hospital with drugs and special equipment or as a first-aid techn...

euphuism

(Encyclopedia)euphuism yo͞oˈfyo͞oĭzəm [key], in English literature, a highly elaborate and artificial style that derived from the Euphues (1578) of John Lyly and that flourished in England in the 1580s. It was...

Trent Canal

(Encyclopedia)Trent Canal, waterway system, 240 mi (386 km) long, S Ont., Canada, connecting Lake Ontario, from the Bay of Quinte, with Lake Huron at Georgian Bay; built 1833–48. It utilizes the Trent River to Ri...

international language

(Encyclopedia)international language, sometimes called universal language, a language intended to be used by people of different linguistic backgrounds to facilitate communication among them and to reduce the misun...

lake dwelling

(Encyclopedia)lake dwelling, prehistoric habitation built over the shallow waters of a lake shore or a marsh, usually erected on pile-supported platforms, but sometimes on artificial islands or mounds. Such a site ...

aspartame

(Encyclopedia)aspartame: see sweetener, artificial. ...

sucralose

(Encyclopedia)sucralose: see sweetener, artificial. ...

sugar substitute

(Encyclopedia)sugar substitute: see sweetener, artificial. ...

ventricular assist device

(Encyclopedia)ventricular assist device: see under heart, artificial. ...

Lehn, Jean-Marie

(Encyclopedia)Lehn, Jean-Marie zhäNˈ-märēˈ lĕN [key], 1939–, French chemist, Ph.D. Univ. of Strasbourg, 1963. A professor at Louis Pasteur Univ. (1970–78) and the Collège de France (1979–), Lehn did gr...