ketene

/kee-teen/US // ˈki tin //UK // (ˈkiːtiːn, ˈkɛt-) //

烯酮,酮类,烯烃,乙烯酮

Definitions

n.名词 noun

1
Chemistry.
- : a colorless, poisonous gas, C2H2O, irritating to the lungs, prepared from acetone or acetic acid by pyrolysis: used chiefly in the manufacture of certain commercial chemicals, as acetic anhydride and aspirin.