Columbia Encyclopedia

Search results

500 results found

Sardinia

(Encyclopedia)Sardinia särdĭnˈēə [key], Ital. Sardegna, region (1991 pop. 1,648,248), 9,302 sq mi (24,092 sq km), W Italy, mostly on the Mediterranean island of Sardinia, which is separated in the north from C...

pipe

(Encyclopedia)pipe, hollow structure, usually cylindrical, for conducting materials. It is used primarily to convey liquids, gases, or solids suspended in a liquid, e.g., a slurry. It is also used as a conduit for ...

steel industry

(Encyclopedia)steel industry, the business of processing iron ore into steel, which in its simplest form is an iron-carbon alloy, and in some cases, turning that metal into partially finished products or recycling ...

battery, electric

(Encyclopedia)CE5 Lead storage cell: At the lead-dioxide electrode, electrons from the circuit combine with lead dioxide and sulfuric acid to form lead sulfate and water. At the spongy-lead electrode, lead react...

Cologne

(Encyclopedia)Cologne kəlōnˈ [key], Ger. Köln, city (2021 est. metro area pop. 1,129,000), North Rhine�...

ethanol

(Encyclopedia)ethanol ĕthˈənōlˌ [key] or ethyl alcohol, CH3CH2OH, a colorless liquid with characteristic odor and taste; commonly called grain alcohol or simply alcohol. Ethanol is used extensively as a solv...

Minneapolis

(Encyclopedia)Minneapolis mĭnˌēăpˈəlĭs [key], city (2020 pop. 429,606), seat of Hennepin co., E Minn., at the ...

Metz

(Encyclopedia)Metz Eng. and Ger. mĕts, Fr. mĕs [key], city (2010 est. pop. 127,000), capital of Moselle dept., NE France, on the Moselle River. It is a cultural, commercial, and transportation center of Lorraine,...

manganese

(Encyclopedia)manganese măngˈgənēs, mănˈ– [key] [Lat.,=magnet], metallic chemical element; symbol Mn; at. no. 25; at. wt. 54.93805; m.p. about 1,244℃; b.p. about 1,962℃; sp. gr. 7.2 to 7.45, depending o...

Portland, cities, United States

(Encyclopedia)Portland. 1 City (1990 pop. 64,358), seat of Cumberland co., SW Maine, situated on a small peninsula and adjacent land, with a large, deepwater harbor on Casco Bay; settled c.1632, set off from Falmou...