benzein
/ˈbɛnziːn/Definitions
1. noun
a colorless, highly flammable, toxic, unsaturated hydrocarbon with the chemical formula C6H6, often used as an anesthetic and solvent, and as a raw material in the manufacture of plastics, dyes, and synthetic rubber.
“The lab technician handled the benzene carefully, as it was highly toxic and required special precautions.”