Columbia Encyclopedia

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colleges and universities

(Encyclopedia)colleges and universities, institutions of higher education. Universities differ from colleges in that they are larger, have wider curricula, are involved in research activities, and grant graduate an...

aerial and satellite photography

(Encyclopedia)aerial and satellite photography, technology and science of taking still or moving-picture photographs from a camera mounted on a balloon, airplane, satellite, rocket, or spacecraft. In the 19th cent....

Food and Agriculture Organization

(Encyclopedia)Food and Agriculture Organization (FAO), specialized agency of the United Nations, established in 1945. Its headquarters is in Rome, and it has a number of regional, subregional, and liaison offices a...

harvest moon

(Encyclopedia)harvest moon, full moon occurring nearest to the autumnal equinox, about Sept. 23. During harvest moon the retardation (later rising each night) of the moon is at a minimum because of the relation of ...

Lincoln, city and district, England

(Encyclopedia)Lincoln, city and district (1991 pop. 79,980), county seat of Lincolnshire, E England, in the Parts of Kesteven, on the Witham River. Located at the junction of the Roman Fosse Way and Ermine Street, ...

Bing, Rudolf

(Encyclopedia)Bing, Rudolf ro͞oˈdŏlf bĭng [key], 1902–97, Austrian operatic manager. Naturalized a British subject in 1946, he was general manager of the Glyndebourne operatic festivals (1934–49) and artist...

Food and Drug Administration

(Encyclopedia)Food and Drug Administration (FDA), agency of the Public Health Service division of the U.S. Department of Health and Human Services. It is charged with protecting public health by ensuring that foods...

electric and magnetic units

(Encyclopedia)electric and magnetic units, units used to express the magnitudes of various quantities in electricity and magnetism. Three systems of such units, all based on the metric system, are commonly used. On...

Eden, rivers, England and Scotland

(Encyclopedia)Eden, name of several rivers in England and Scotland. The principal one rises in Cumbria, N England, and flows 65 mi (105 km) NW past Carlisle, into Solway Firth. The Vale of Eden is a rich farming re...

polybrominated biphenyl

(Encyclopedia)polybrominated biphenyl or PBB, any of a group of organic compounds used as a fire retardant. In 1973 several thousand pounds of PBB were accidentally mixed with livestock feed that was later distribu...