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emphysema

(Encyclopedia)emphysema ĕmfĭsēˈmə [key], pathological or physiological enlargement or overdistention of the air sacs of the lungs. A major cause of pulmonary insufficiency in chronic cigarette smokers, emphyse...

fish curing

(Encyclopedia)fish curing. Methods of curing fish by drying, salting, smoking, and pickling, or by combinations of these processes have been employed since ancient times. On sailing vessels fish were usually salted...

Koop, C. Everett

(Encyclopedia)Koop, C. Everett (Charles Everett Koop), 1916–2013, American physician, U.S. surgeon general (1982–89), b. Brooklyn, N.Y., grad. Dartmouth (B.S., 1937), Cornell Medical College (M.D., 1941), Univ....

narghile

(Encyclopedia)narghile närˈgəlēˌ [key]: see pipe smoking. ...

pesticide

(Encyclopedia)pesticide, biological, physical, or chemical agent used to kill plants or animals that are harmful to people; in practice, the term pesticide is often applied only to chemical agents. Various pesticid...

Ryti, Risto

(Encyclopedia)Ryti, Risto rēˈstō rüˈtē [key], 1889–1956, Finnish political leader. In 1919 he was elected to the Finnish diet. He later served as minister of finance (1921–24) and as governor of the Bank ...

calumet, peace pipe

(Encyclopedia)calumet [Fr.,=reed], name given by the French to the peace pipe used by the indigenous people of North America for smoking tobacco; it consisted of a long, feathered stem, with or without a pipe bowl....

placebo

(Encyclopedia)placebo pləsēˈbō [key], inert substance given instead of a potent drug. Placebo medications are sometimes prescribed when a drug is not really needed or when one would not be appropriate because t...

Crofton, Sir John Wenman

(Encyclopedia)Crofton, Sir John Wenman, 1912–2009, British physician, b. Dublin. He served in the British medical corps during World War II and during 1946–52 was part of a research team studying the effects of...

herbicide

(Encyclopedia)herbicide hrˈbəsīdˌ [key], chemical compound that kills plants or inhibits their normal growth. A herbicide in a particular formulation and application can be described as selective or nonselectiv...