Definition of pseudohalogen in English:

pseudohalogen

noun

Chemistry
  • Any of a group of compounds (in some cases hypothetical) which have small molecules built up from atoms of electronegative elements and which closely resemble the halogens in many respects.

Origin

1920s; earliest use found in Chemical Abstracts. From pseudo- + halogen, after German Pseudohalogen.

Pronunciation

pseudohalogen

/ˌs(j)uːdəʊˈhalədʒ(ə)n/