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halogen noun

  /ˈheɪ.lə.d͡ʒən/ , /ˈhæl.ə.d͡ʒən/
  • (chemistry) Any element of group 17, i.e. fluorine, chlorine, bromine, iodine, astatine and tennessine.
 halogen

halogenation noun

  • (chemistry) The reaction of a halogen with something, especially the replacement of a hydrogen atom of an organic compound with a halogen one.
 halogenering
halogen lamp
halogenlampa
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