Definition of ferrate in US English:

ferrate

noun

Chemistry
  • A salt in which the anion contains both iron (typically ferric iron) and oxygen.

    • ‘The batch study showed that a ferrate dose of 15 mg/L gave effective removal of turbidity, COD, and coliform.’
    • ‘He was at first disposed to regard the colour as being due to the production of a ferrate.’

Origin

Mid 19th century: from Latin ferrum ‘iron’ + -ate.

Pronunciation

ferrate

/ˈfɛreɪt//ˈferāt/