halogen

1. 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

   Broadergroup

   Narrowerastatinebrominechlorinefluorineiodine

Other forms of halogen

plural

halogens·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about halogen

What does halogen mean?

halogen means "any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions".

How many syllables are in halogen?

halogen has 3 syllables: hal-o-gen. The stress falls on "hal". In IPA it is /ˈhælədʒən/.

Is halogen a common word?

halogen is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.