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halogen
halogen
2 definitions found
for halogen
From The Collaborative International Dictionary of English v.0.48 :
Halogen \Hal"o*gen\ (h[a^]l"[-o]*j[e^]n), 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,
fluorine, bromine, and iodine; sometimes, also cyanogen. See
Chlorine family, under Chlorine.
[1913 Webster]
From WordNet (r) 3.0 (2006) :
halogen
n 1: any of five related nonmetallic elements (fluorine or
chlorine or bromine or iodine or astatine) that are all
monovalent and readily form negative ions
