oxyacetylene

/ˌɑksiəˈsɛtəlin/
adjective
  1. Relating to a mixture of oxygen and acetylene gases, used for high-temperature welding or cutting.
    • He wore special goggles to protect his eyes from the oxyacetylene flame.
    • Oxyacetylene torches are common in metalworking shops.
    • The welder used an oxyacetylene flame to cut through the steel beam.