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Verb: desulphurize  dee'súl-fu,rIz
Usage: Brit (N. Amer: desulfurize)
  1. Remove sulphur from
    "The refinery desulphurizes the crude oil to meet environmental standards";
    - desulfurize, desulphurise [Brit]

Derived forms: desulphurizes, desulphurized, desulphurizing

Type of: get rid of, remove