The spelling of the word "acetylene alcohol" is a bit tricky. The first part of the word, "acetylene," is pronounced /əˈsɛtəliːn/ (uh-set-uh-leen) and refers to a colorless gas used in welding. The second part of the word, "alcohol," is pronounced /ˈælkəhɔːl/ (al-kuh-hawl) and refers to a class of organic compounds. Together, the word refers to a specific type of alcohol that is derived from acetylene gas. Its pronunciation is /əˈsɛtəliːn ˈælkəhɔːl/ (uh-set-uh-leen al-kuh-hawl).