acetylene
noun
acet·y·lene ə-ˈse-tᵊl-ən 
-tᵊl-ˌēn
: a colorless gaseous hydrocarbon HC≡CH used chiefly in organic synthesis and as a fuel (as in welding and soldering)
acetylenic
ə-ˌse-tᵊl-ˈē-nik
adjective -ˈe-nik
Example Sentences
Recent Examples on the Web Blair Adams, a Baltimore City Fire Department spokesperson, said fire officials believe there was acetylene, an extremely flammable gas, in the vehicle. 
Lilly Price, Baltimore Sun, 27 July 2022 This requires me to use an acetylene torch, which has been one of the more empowering tools to master during my PhD. Renée Zurui Wang, Washington Post, 14 June 2022 When, near the end, the Jets corner her and almost force a rape, her disgust cuts through the screen like an acetylene torch. Peter Rainer, The Christian Science Monitor, 9 Dec. 2021 Investigators found that some equipment Jacob used for welding was missing from the home’s garage, including an acetylene tank, which is a highly explosive gas that can be ignited by static electricity if confined in a small space. oregonlive, 19 Nov. 2021 Notable features include Lucas 'King of the Road' side lamps, small Lucas headlights, and a Ducellier acetylene generator. Josh Max, Forbes, 27 Oct. 2021 Welding or operating an acetylene or other torch with open flame is not allowed. Hayley Smith, Los Angeles Times, 14 July 2021 Using blasting, welding, or operating an acetylene or other torch with an open flame from 9 a.m. to 8 p.m. Audrey Jensen, The Arizona Republic, 5 July 2021 The Sun later said the blaze was started by a worker using an acetylene torch to repair an oil barge in the yard of the Chesapeake Marine Railway Co. at Philpot and Point streets. Jacques Kelly, baltimoresun.com, 24 Apr. 2021 See More
Lilly Price, Baltimore Sun, 27 July 2022 This requires me to use an acetylene torch, which has been one of the more empowering tools to master during my PhD. Renée Zurui Wang, Washington Post, 14 June 2022 When, near the end, the Jets corner her and almost force a rape, her disgust cuts through the screen like an acetylene torch. Peter Rainer, The Christian Science Monitor, 9 Dec. 2021 Investigators found that some equipment Jacob used for welding was missing from the home’s garage, including an acetylene tank, which is a highly explosive gas that can be ignited by static electricity if confined in a small space. oregonlive, 19 Nov. 2021 Notable features include Lucas 'King of the Road' side lamps, small Lucas headlights, and a Ducellier acetylene generator. Josh Max, Forbes, 27 Oct. 2021 Welding or operating an acetylene or other torch with open flame is not allowed. Hayley Smith, Los Angeles Times, 14 July 2021 Using blasting, welding, or operating an acetylene or other torch with an open flame from 9 a.m. to 8 p.m. Audrey Jensen, The Arizona Republic, 5 July 2021 The Sun later said the blaze was started by a worker using an acetylene torch to repair an oil barge in the yard of the Chesapeake Marine Railway Co. at Philpot and Point streets. Jacques Kelly, baltimoresun.com, 24 Apr. 2021 See More Word History
Etymology
borrowed from French acétylène, from acétyle acetyl + -ène -ene
First Known Use
1851, in the meaning defined above
Medical Definition
acetylene
noun
acet·y·lene ə-ˈset-ᵊl-ən -ᵊl-ˌēn
-ᵊl-ˌēn : a colorless gaseous hydrocarbon HC≡CH made especially by the action of water on calcium carbide and used chiefly in organic synthesis and as a fuel (as in welding and soldering)
called also ethyne