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carbon black

(Encyclopedia)carbon black, mixture of partially burned hydrocarbons. Carbon black is produced by partial combustion of natural gas. It is used as a black pigment for inks and paints, and is used in large amounts b...

Leticia

(Encyclopedia)Leticia lātēˈsēä [key], town (1993 pop. 17,758), capital of Amazonas commissary, SE Colombia, on the upper Amazon. The Leticia region, a narrow strip of land extending S of the Putumayo River to ...

Muskogee

(Encyclopedia)Muskogee mŭskōˈgē [key], city (1990 pop. 37,708), seat of Muskogee co., E Okla., near the junction of the Arkansas, Verdigris, and Grand rivers; inc. 1898. It is an important transportation, trade...

magnesia, chemical compound

(Encyclopedia)magnesia, common name for the chemical compound magnesium oxide, MgO. It occurs as colorless, cubic crystals. It is refractory, melting at about 2,800℃. It is very slightly soluble in pure water but...

Kitchener

(Encyclopedia)Kitchener, city (1991 pop. 168,282), Regional Municipality of Waterloo, S Ont., Canada, in the Grand River valley. Settled largely by Mennonites from Pennsylvania in 1806, it was known as Berlin until...

Giessen

(Encyclopedia)Giessen gēˈsən [key], city, Hesse, central Germany, on the Lahn River. It is an industrial...

Gilbert

(Encyclopedia)Gilbert, city (2020 pop. 267,918), Maricopa co. S central Ariz., suburb of Phoenix, located S of Mesa and E of Chandler; inc. 1920. Founded at the site ...

upholstery

(Encyclopedia)upholstery, general term for household fittings, hangings, curtains, cushions, and covers. It refers to stuffed, padded, and spring-cushioned furniture, such as chairs and sofas, or to the usually dec...

Passaic, city, United States

(Encyclopedia)Passaic pəsāˈĭk [key], city (1990 pop. 58,041), Passaic co., NE N.J., a port on the Passaic River; settled 1678 by Dutch traders as Acquackanonk, named Passaic 1854, inc. as a city 1873. Formerly ...

Talladega

(Encyclopedia)Talladega tălədēˈgə [key], city (1990 pop. 18,175), seat of Talladega co., NE central Ala., in the Blue Ridge foothills; inc. 1835. There are significant marble and limestone quarries. Textiles, ...