- A flammable gas with the chemical formula C2H2, used as a fuel and in organic synthesis.
- A chemical compound containing two carbon atoms and two hydrogen atoms, with the formula C2H2.
Derived from the french acétylène, formed from the prefix acét- (from acétique, 'acetic') + -ylène, from the greek hyle, 'matter'.
- Acetylene is commonly used in welding.
- The acetylene gas is highly flammable.
- The experiment was performed using a mixture of oxygen and acetylene.
- The acetylene torch is a very powerful tool in metalworking.
- Acetylene is a colorless, highly flammable gas.