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Medinipur

(Encyclopedia)Medinipur mĭdˈnəpûrˌ [key], town (1991 pop. 125,498), West Bengal state, E India, on the Kasai River. It is a district administrative center and has textile and chemical manufactures. A canal lin...

Orsk

(Encyclopedia)Orsk ôrsk [key], city (1989 pop. 271,000), Orenburg region, in the foothills of the S Ural Mts., central Russia, on the Ural River. It is the center of the Orsk-Khalilovo industrial area, which has r...

lignin

(Encyclopedia)lignin lĭgˈnĭn [key], a highly polymerized and complex chemical compound especially common in woody plants. The cellulose walls of the wood become impregnated with lignin, a process called lignific...

Vanadzor

(Encyclopedia)Vanadzor, city (1989 pop. 75,616), in N Armenia, at the junction of the Pambak, Tandzut, and Vanadzoriget rivers. A rail center and a major chemical producer, it also manufactures textiles and foodstu...

sodium benzoate

(Encyclopedia)sodium benzoate or benzoate of soda, chemical compound, C6H5CO2Na, colorless or white crystalline, aromatic compound; the sodium salt of benzoic acid. It is soluble in water and is used as a preservat...

Tlalnepantla de Baz

(Encyclopedia)Tlalnepantla de Baz tlälnāpänˈtlä ᵺā bäs [key], city (1990 pop. 702,270), Mexico state, S central Mexico, on the Tlalnepantla River. It is a communications and industrial center that owes its...

Thionville

(Encyclopedia)Thionville tyôNvēlˈ [key], Ger. Diedenhofen, town (1990 pop. 40,835), Moselle dept., NE France, in Lorraine. It is a center for metallurgical and chemical industries. The town was a favorite of Cha...

Yenakiyeve

(Encyclopedia)Yenakiyeve yĕnəkēˈyəvə [key], Rus. Yenakiyevo, city (1989 pop. 120,000), SE Ukraine, on the Krynka River. It is a center for coal, iron, and steel industries, and for coke-based chemical product...

Roebuck, John

(Encyclopedia)Roebuck, John, 1718–94, English physician, chemist, and inventor. He acted as a chemical consultant to local industries in Birmingham and invented the lead chamber process of manufacturing sulfuric ...

Sarnia

(Encyclopedia)Sarnia, city (1991 pop. 74,376), S Ont., Canada, on the St. Clair River, at the south end of Lake Huron and opposite Port Huron, Mich. The two cities are connected by a railroad tunnel, and there is a...