Columbia Encyclopedia

(Encyclopedia)  CE5 New York, Middle Atlantic state of the United States. It is bordered by Vermont, Massachusetts, Connecticut, and the Atlantic Ocean (E), New Jersey and Pennsylvania (S), Lakes Erie and Ontario ...

(Encyclopedia) Trenton, town (1991 pop. 16,908), SE Ont., Canada, on the Bay of Quinte at the mouth of the Trent River and at the south end of the Trent Canal. Its manufactures include textiles, electronic component...

(Encyclopedia) acid rain or acid deposition, form of precipitation (rain, snow, sleet, or hail) containing high levels of sulfuric or nitric acids (pH below 5.5–5.6). Produced when sulfur dioxide and various nitro...

(Encyclopedia) United Nations Industrial Development Organization (UNIDO), specialized agency of the United Nations. Headquartered in Vienna, it was organized in 1966 and made a specialized UN agency in 1985. UNIDO'...

(Encyclopedia) Sylvester, James Joseph, 1814–97, English mathematician. He studied at Cambridge for four years after 1831, but because degrees were limited to members of the Church of England and he was a Jew, he ...

(Encyclopedia) Saint Petersburg, city (1990 pop. 238,629), Pinellas co., W Fla., on Tampa Bay and the Gulf of Mexico at the southern end of the Pinellas peninsula; settled in the mid-1800s, inc. 1892. A port with a ...

(Encyclopedia) Doolittle, James Harold, 1896–1993, American aviator, b. Alameda, Calif. After serving in World War I as a flier he returned to school and earned a Sc.D. from MIT. He then became noted for his speed...

(Encyclopedia) Capra, Frank kăpˈrə [key], 1897–1991, American film director, b. Bisaquino, Sicily. One of the preeminent Hollywood directors of the 1930s and 40s, he produced idealistic populist movies that, so...

(Encyclopedia) Trenton. 1 City (1990 pop. 20,586), Wayne co., SE Mich., on the Detroit River opposite Grosse Ile, in a farm area; settled 1816, inc. as a city 1957. An early river port, it has plants that make metal...

(Encyclopedia) reed organ, an organ in which air is forced over free reeds by means of bellows, usually worked by pedals. It is played by the use of one or more keyboards. Variations in tone are produced by stops th...