Definition of aluminosity in English:

aluminosity

Pronunciation /əˌl(j)uːmɪˈnɒsɪti/

noun

Chemistry
  • The relative proportion of aluminium in a soil or mineral; a measure of this.

Origin

Late 17th century (in an earlier sense). From post-classical Latin aluminositas from classical Latin alūminōsus + -tās.