| 释义 | 
		Definition of acetylene in English: acetylenenoun əˈsɛtɪliːn Chemistry A colourless pungent-smelling hydrocarbon gas, which burns with a bright flame, used in welding and formerly in lighting. Alternative name: ethyne; chemical formula: C₂H₂  Example sentencesExamples -  Acrylonitrile is another product of acetylene, formed in a reaction with hydrogen cyanide.
 -  To transport gaseous substances such as propane or acetylene economically, they must be compressed greatly to fit into containers of a reasonable size.
 -  Observers have long known that Titan's atmosphere contains methane, ethane, acetylene and many other hydrocarbon compounds.
 -  A delicate 24-hour cooling operation saw roads and houses cordoned off as the emergency services tried to prevent the acetylene, propane and oxygen cylinders from exploding in Thornton Heath.
 -  We use the heat produced by the burning of acetylene in the flame of the oxyacetylene torch to make welds.
 
 
 Origin   Mid 19th century: from acetic acid + -yl + -ene.    Definition of acetylene in US English: acetylenenoun Chemistry A colorless pungent-smelling hydrocarbon gas, which burns with a bright flame, used in welding and formerly in lighting. Alternative name: ethyne; chemical formula: C₂H₂  Example sentencesExamples -  Observers have long known that Titan's atmosphere contains methane, ethane, acetylene and many other hydrocarbon compounds.
 -  To transport gaseous substances such as propane or acetylene economically, they must be compressed greatly to fit into containers of a reasonable size.
 -  A delicate 24-hour cooling operation saw roads and houses cordoned off as the emergency services tried to prevent the acetylene, propane and oxygen cylinders from exploding in Thornton Heath.
 -  We use the heat produced by the burning of acetylene in the flame of the oxyacetylene torch to make welds.
 -  Acrylonitrile is another product of acetylene, formed in a reaction with hydrogen cyanide.
 
 
 Origin   Mid 19th century: from acetic acid + -yl + -ene.     |