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beef

(Encyclopedia)beef, flesh of cattle prepared for food. It has become one of the chief products of the meatpacking industry and is sold either chilled, frozen, or cured. The leading beef consumers, as well as export...

Baltimore, David

(Encyclopedia)Baltimore, David bôlˈtĭmôr [key], 1938–, American microbiologist, b. New York City, Ph.D. Rockefeller Univ., 1964. He conducted (1965–68) virology research at the Salk Institute before becomin...

prostate gland

(Encyclopedia)prostate gland, gland that is part of the male reproductive system. It is an organ about the size of a chestnut and consists of glandular and muscular tissue. It is situated below the neck of the blad...

defoliant

(Encyclopedia)defoliant, any one of several chemical compounds that, when applied to plants, can alter their metabolism, causing the leaves to drop off. In agriculture defoliants are used to eliminate the leaves of...

clinic

(Encyclopedia)clinic, name for an institution providing medical diagnosis and treatment for ambulatory patients. The forerunner of the modern clinic was the dispensary, which dispensed free drugs and served only th...

Armstrong, Lance

(Encyclopedia)Armstrong, Lance, 1971–, American cyclist, b. Dallas, Tex. He won (1991) the U.S. amateur cycling championship, turned professional (1992), and by the mid-1990s had won the Tour DuPont twice and was...

Price, Reynolds

(Encyclopedia)Price, Reynolds (Edward Reynolds Price), 1933–2011, American writer, b. Macon, N.C., grad. Duke Univ. (A.B., 1955), Oxford (B.Litt., 1958). He began teaching at Duke in 1958 and remained there for m...

synchrotron radiation

(Encyclopedia)synchrotron radiation, in physics, electromagnetic radiation emitted by high-speed electrons spiraling along the lines of force of a magnetic field (see magnetism). Depending on the electron's energy ...

solstice

(Encyclopedia)solstice sŏlˈstĭs [key] [Lat.,=sun stands still], in astronomy, either of the two points on the ecliptic that lie midway between the equinoxes (separated from them by an angular distance of 90°). ...

barberry

(Encyclopedia)CE5 Barberry, Berberis vulgaris barberry bärˈbĕrˌē [key], common name for the family Berberidaceae, and specifically for the spiny barberries (Berberis species). The family includes perennial...