butadiene
/ˌbyʊtəˈdiːɪn/ or /bjuːtɪˈdiːn/Definitions
1. noun
a colorless, flammable, unsaturated hydrocarbon with the chemical formula (CH2CHCHCH)2, used as a monomer in the production of synthetic rubber and plastics.
“The factory produces butadiene, which is then used to manufacture tires and other rubber products.”