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Meaning of HALOGEN

Pronunciation:  'hulujun

WordNet Dictionary
[n]  any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions

HALOGEN is a 7 letter word that starts with H.


 See Also: astatine, At, atomic number 17, atomic number 35, atomic number 53, atomic number 85, atomic number 9, Br, bromine, chlorine, Cl, F, fluorine, group, grouping, I, iodin, iodine



Webster's 1913 Dictionary
\Hal"o*gen\, n. [Gr. "a`ls, "alo`s, salt + -gen: cf. F.
halog[`e]ne.] (Chem.)
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}.