halogen

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See also: Halogen

English

Etymology

From Ancient Greek ἅλς (háls, “salt" or "sea”) + γεν- (gen-), "to produce" (coined by Berzelius in 1842).

Pronunciation

  • enPR: hălʹə-jən, hāʹlə-jən
  • IPA(key): /ˈhæl.ə.d͡ʒən/, /ˈheɪ.lə.d͡ʒən/
  • Audio (Southern England):(file)

Noun

halogen (plural halogens)

  1. (chemistry) Any element of group 17, i.e. fluorine, chlorine, bromine, iodine, astatine and tennessine.
  2. A light fixture in which the filament is surrounded by an atmosphere of a halogen gas.

Usage notes

  • When the term was coined, all known group 17 elements formed salts on reaction with a metal. This may not be true for the recently discovered superheavy element tennessine, though experiments cannot yet be carried out because of its short lifetime and the difficulty of manufacturing it. Chemists usually include tennessine as a halogen to extend the term to all of group 17, though those specializing in the chemistry of superheavy elements may exclude it.

Derived terms

Translations

References

  1. ^ Douglas Harper (2001–2025) “halogen”, in Online Etymology Dictionary.

Further reading

Catalan

Etymology

From halo- +‎ -gen.

Pronunciation

Noun

halogen m (plural halogens)

  1. halogen

Derived terms

Further reading

Czech

Czech Wikipedia has an article on:
Wikipedia cs

Pronunciation

Noun

halogen m inan

  1. halogen
    Synonym: halový prvek

Declension

Declension of halogen (hard masculine inanimate)
singular plural
nominative halogen halogeny
genitive halogenu halogenů
dative halogenu halogenům
accusative halogen halogeny
vocative halogene halogeny
locative halogenu halogenech
instrumental halogenem halogeny

Further reading

Norwegian Bokmål

Norwegian Wikipedia has an article on:
Wikipedia no

Etymology

From Ancient Greek ἅλς (háls, “salt" or "sea”) +‎ -gen.

Noun

halogen n (definite singular halogenet, indefinite plural halogen or halogener, definite plural halogena or halogenene)

  1. (chemistry) halogen

References

Norwegian Nynorsk

Norwegian Nynorsk Wikipedia has an article on:
Wikipedia nn

Etymology

From Ancient Greek ἅλς (háls) +‎ -gen.

Noun

halogen n (definite singular halogenet, indefinite plural halogen, definite plural halogena)

  1. (chemistry) halogen

References

Romanian

Etymology

Borrowed from French halogène.

Adjective

halogen m or n (feminine singular halogenă, masculine plural halogeni, feminine and neuter plural halogene)

  1. halogenic

Declension

Declension of halogen
singular plural
masculine neuter feminine masculine neuter feminine
nominative-
accusative 		indefinite halogen halogenă halogeni halogene
definite halogenul halogena halogenii halogenele
genitive-
dative 		indefinite halogen halogene halogeni halogene
definite halogenului halogenei halogenilor halogenelor

Welsh

Welsh Wikipedia has an article on:
Wikipedia cy

Etymology

Borrowed from English halogen.

Pronunciation

Noun

halogen m (plural halogenau, not mutable)

  1. (chemistry) halogen
    • 1937, R. O. Davies, Elfennau Cemeg (Elements of Chemistry), University of Wales Press:
      Elfen arall yn perthyn i deulu’r halogenau yw ffluorin.
      "Another element belonging to the halogen family is fluorine."

References

  • R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “halogen”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies
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