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Pontoise

(Encyclopedia)Pontoise pôNtwäzˈ [key], city (1990 pop. 28,463), capital of Val-d'Oise dept., N central France. It is the site of a technical school. The metallurgy and chemical industries are important. A “new...

caustic

(Encyclopedia)caustic, any strongly corrosive chemical substance, especially one that attacks organic matter. A caustic alkali is a metal hydroxide, especially that of an alkali metal; caustic soda is sodium hydrox...

Bobruysk

(Encyclopedia)Bobruysk bəbro͞oˈēsk [key], Belarusian Babruysk, city, central Belarus, a port on the Ber...

sodium hydroxide

(Encyclopedia)sodium hydroxide, chemical compound, NaOH, a white crystalline substance that readily absorbs carbon dioxide and moisture from the air. It is very soluble in water, alcohol, and glycerin. It is a caus...

promethium

(Encyclopedia)promethium prōmēˈthēəm [key], artificially produced radioactive chemical element; symbol Pm; at. no. 61; mass no. of most stable isotope 145; m.p. 1,042℃; b.p. 3,000℃ (estimated); sp. gr. unk...

Nagaoka

(Encyclopedia)Nagaoka nägäˈôkä [key], city (1990 pop. 185,938), Niigata prefecture, central Honshu, Japan. An industrial center, it has oil refineries, chemical and food processing plants, engineering works, a...

Horlivka

(Encyclopedia)Horlivka hôrˈləfkə [key], Rus. Gorlovka, city (1989 pop. 337,000), E Ukraine, in the Donets Basin. It is a major coal-mining and industrial center, with a major chemical complex. Founded in 1867, ...

Glen Cove

(Encyclopedia)Glen Cove, city (2020 pop. 28,365), Nassau co., SE N.Y., on the north shore of Long Island, at the entrance to Hempstead Harbor; settled 1668, inc. as a...

Ube

(Encyclopedia)Ube o͞oˈbā [key], city (1990 pop. 175,053), Yamaguchi prefecture, SW Honshu, Japan, on the Inland Sea. It has a modern harbor and an important chemical industry. Coal mining, once the city's larges...

Novomoskovsk

(Encyclopedia)Novomoskovsk nôˌvəməskôfskˈ [key], city (1989 pop. 146,000), W central European Russia. An industrial center in the Moscow lignite basin, it has lignite mines and chemical plants. Founded in 193...