Definition of alumian in English:

alumian

noun

Mineralogy
Disused
  • A white mineral originally thought to consist of aluminium sulphate and now identified with natroalunite.

Origin

Mid 19th century; earliest use found in American Journal of Science. From German Alumian from Alum- (in classical Latin alūmen) + -ian, after German Alumia, former alternative name for alumina.

Pronunciation

alumian

/əˈl(j)uːmɪən/