Definition of halogen
English to English noun - any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
source: WordNet 3.0 - An electro-negative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, bromine, and iodine; sometimes, also, fluorine and cyanogen. See Chlorine family, under Chlorine.
source: Webster 1913
Visual Synonyms 
Nearby Word
halogen, halcyon, halcion, holocene, halagahan, haloalkane, halcyonian, hiligán, hilagaan, hooligan, hæmin, hyæna, hulsea nana, hílikin, helxine, hyloism, helicon, helicin, hæmony, helicine
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