noun🔗ShareAny element of group 17, i.e. fluorine, chlorine, bromine, iodine and astatine, which form a salt by direct union with a metal."The chlorine in table salt is a common example of a halogen forming a compound with a metal. "elementchemistrysubstanceChat with AIVocabulary GamePractice Reading
noun🔗ShareA light fixture in which the filament is surrounded by an atmosphere of a halogen gas,"The mechanic used a bright halogen to see clearly under the car's hood. "energytechnologydeviceelectronicsChat with AIVocabulary GamePractice Reading
