Dictionary > Halogen

Halogen

Halogen
(Science: chemistry) An electronegative 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.
Origin: gr. als, alos, salt – -gen: cf. F. Halogene.


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