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: H HÜ Hæ Hô H- H. H2 H< Ha Hb Hc Hd He Hf Hg Hh Hi Hl Hm Hn Ho Hp Hq Hr Hs Ht Hu Hw Hy Hz

Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY

halogen

POS

Noun

HYPHEN

hal=o=gen

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WORDNET DICTIONARY

Noun halogen has 1 sense

halogen(n = noun.substance) Array - any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions; Array

is a kind of

group

grouping

has particulars: astatine, at, atomic number 85, atomic number 35, br, bromine, atomic number 17, chlorine, cl, atomic number 9, f, fluorine, atomic number 53, i, iodin, iodine

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CIDE DICTIONARY

halogen, n. [Gr. "a`ls, "alo`s, salt + -gen: cf. F. halogène.].

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]

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OXFORD DICTIONARY

halogen, n. Chem. any of the group of non-metallic elements: fluorine, chlorine, bromine, iodine, and astatine, which form halides (e.g. sodium chloride) by simple union with a metal.

Derivative

halogenic adj.

Etymology

Gk hals halos salt

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