Definition of alumino-ferric in US English:

alumino-ferric

adjective

Chemistry
  • Containing both aluminium and iron; specifically designating the substance alumino-ferric; relating to this substance.

noun

Chemistry
  • An impure form of aluminium sulphate containing ferric oxide, used especially as a coagulating and flocculating agent for water purification, sewage treatment, etc.

Origin

Late 19th century; earliest use found in William Crookes (1832–1919), chemist and science journalist. From alumino- + ferric, after French alumino-ferrique.

Pronunciation

alumino-ferric

/əˌl(j)uːmɪnəʊˈfɛrɪk/