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. |