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[fer-eyt] /ˈfɛr eɪt/
noun, Chemistry
a salt of the hypothetical ferric acid, H 2 FeO 4 .
Origin of ferrate
1850-55; < Latin ferr(um) iron + -ate2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ferrate
  • As a liquid, ferrate can be injected into the process stream without the addition of special mixing equipment.
British Dictionary definitions for ferrate


a salt containing the divalent ion, FeO42–. Ferrates are derivatives of the hypothetical acid H2FeO4
Word Origin
C19: from Latin ferrum iron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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ferrate in Science
A compound containing ferric oxide and another oxide. Ferrates are stable only in strongly alkaline conditions and impart a purple color to aqueous solutions.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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