Medical Dictionary

halogen

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

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears