Definition of alunogen in English:

alunogen

noun

Mineralogy
  • A mineral consisting of hydrated aluminium sulphate, typically occurring as masses of feathery or fibrous crystals.

Origin

Mid 19th century. From French alunogène from alun + -ogène; so called because it can be converted into alum by simple chemical means.

Pronunciation

alunogen

/əˈl(j)uːnədʒ(ə)n/