What does halogen mean?
A member of a group of nonmetallic elements in Group 17 of the periodic table, including fluorine, chlorine, bromine, iodine, and astatine. They are highly reactive and readily form compounds with other elements.
Example
"The halogen lamps were used to disinfect the water supply."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.