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isoprene

(Encyclopedia)isoprene or 2-methyl-1,3-butadiene īˈsəprēn, byo͞oˌtədīˈēn [key], colorless liquid organic compound. It is a hydrocarbon, and is insoluble in water but soluble in many organic solvents; it b...

Helsingborg

(Encyclopedia)Helsingborg or Hälsingborg both: hĕlsĭngbôrˈyə [key], city, Malmöhus co., S Sweden...

Havre, Le

(Encyclopedia)Havre, Le lə äˈvrə [key], city, Seine-Maritime dept., N France, in Normandy, at the mouth of ...

Hanau

(Encyclopedia)Hanau häˈnou [key], city, Hesse, central Germany, on the Main and Kinzig rivers. It is an i...

Halberstadt

(Encyclopedia)Halberstadt hälˈbərshtät [key], city, Saxony-Anhalt, central Germany. It is an industrial center ...

Hannoversch-Münden

(Encyclopedia)Hannoversch-Münden münˈdən [key], town, Lower Saxony, central Germany, where the Fulda and Werra ...

Gunsan

(Encyclopedia)Gunsan or Kunsan go͝onˈsänˈ [key], Jap. Gunzan, city, North Jeolla (Cholla) prov., SW Sou...

Fushun

(Encyclopedia)Fushun fo͞oˈsho͞onˈ [key], city, NE Liaoning prov., China, in a highly industrialized area. It ...

Galesburg

(Encyclopedia)Galesburg, city (2020 pop. 30,052), seat of Knox co., W Ill., in a farm, livestock, and coal area; chartered 1841. A trade, rail, and industrial center,...

lewisite

(Encyclopedia)lewisite lo͞oˈəsītˌ [key], liquid chemical compound used as a poison gas. Like mustard gas and nitrogen mustard, it is a blistering agent; when inhaled, it is a powerful respiratory irritant. The...