Medical Dictionary


noun halo·gen \ˈhal-ə-jən\

Medical Definition of HALOGEN

:  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
ha·log·e·nous \ha-ˈläj-ə-nəs\ adjective


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