Definition of halogen

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  • halogen is a valid Scrabble US word with a point value of 11
  • halogen is a valid Scrabble UK word with a point value of 11
  • halogen is a valid Words with friends word with a point value of 13

Definition of halogen

  • any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions (noun)

See definition of halogen in Merriam Webster