#tetrachloride  any compound that contains four chlorine atoms per molecule
  supertype:  chemical_compound__compound  (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
  subtype:  carbon_tetrachloride__carbon_tet__tetrachloromethane__perchloromethane  a colorless nonflammable liquid used as a solvent for fats and oils; because of its toxicity its use as a cleaning fluid or fire extinguisher has declined

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