halogen

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Pronunciation[change]

  • enPR: hăləjĕn
  • (UK) IPA: /ˈhæ.ləˌd͡ʒɛn/
  • (US) IPA: /ˈhæ.lə.d͡ʒən/

Noun[change]

Singular
halogen

Plural
halogens

  1. (chemistry) A chemical element that is listed in the penultimate column of the periodic table. These elements have a charge of -1. Fluorine, chlorine and iodine are three of the halogens.