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dehydrated food

(Encyclopedia)dehydrated food: see food preservation. ...

Occupational Safety and Health Administration

(Encyclopedia)Occupational Safety and Health Administration (OSHA), U.S. agency established (1970) in the Dept. of Labor (see Labor, United States Department of) to develop and enforce regulations for the safety an...

clot-dissolving drug

(Encyclopedia)clot-dissolving drug: see thrombolytic drug. ...

sandwich, food

(Encyclopedia)sandwich, a piece of meat or other food placed between two slices of bread. Although food in this form has long been used, the term sandwich originated in the 18th cent. It is named for John Montagu, ...

opiate drug

(Encyclopedia)opiate drug, any of a group of drugs derived from opium. Used medicinally to relieve pain and induce sleep, they include codeine, morphine, the morphine derivative heroin, and, formerly, laudanum. Som...

National Aeronautics and Space Administration

(Encyclopedia)National Aeronautics and Space Administration (NASA), civilian agency of the U.S. federal government with the mission of conducting research and developing operational programs in the areas of space e...

food chain

(Encyclopedia)food chain: see ecology.

Public Works Administration

(Encyclopedia)Public Works Administration (PWA), in U.S. history, New Deal government agency established (1933) by the Congress as the Federal Administration of Public Works, pursuant to the National Industrial Rec...

ham, food

(Encyclopedia)ham, hind leg of a hog above the hock joint, prepared for food by curing or smoking. Ham is one of the earliest of preserved meats; it is now a leading product of the meatpacking industry. The flavor ...

Rural Electrification Administration

(Encyclopedia)Rural Electrification Administration (REA), former agency of the U.S. Dept. of Agriculture charged with administering loan programs for electrification and telephone service in rural areas. The REA wa...