1

halogen

play
noun hal·o·gen \ˈha-lə-jən\

Definition of halogen

  1. :  any of the five elements fluorine, chlorine, bromine, iodine, and astatine that form part of group VIIA of the periodic table and exist in the free state normally as diatomic molecules

halogenous

play \ha-ˈlä-jə-nəs\ adjective

Origin and Etymology of halogen

Swedish, from hal- + -gen


2

halogen

adjective hal·o·gen

Definition of halogen

  1. :  containing, using, or being a halogen a halogen lamp

First Known Use of halogen

1880


Medical Dictionary

halogen

play
noun halo·gen \ˈhal-ə-jən\

Medical Definition of halogen

  1. :  any of the five elements fluorine, chlorine, bromine, iodine, and astatine that form part of group VII A of the periodic table and exist in the free state normally as diatomic molecules

halogenous

\ha-ˈläj-ə-nəs\play adjective

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