ethyne

Example:The torch can utilize acetylene as its fuel source.

Definition:A chemical compound, C2H2, a colorless, flammable gas that can be synthesized from methane or produced by the decomposition of calcium carbide, used especially as a fuel in welding and other processes.

Example:Ethene is one of the monomers used in the synthesis of polyethylene.

Definition:A hydrocarbon with the chemical formula C2H4, or ethylene, which is a key component in the production of certain plastics.