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[fer-ik] /ˈfɛr ɪk/
adjective, Chemistry.
of or containing iron, especially in the trivalent state.
Origin of ferric
1790-1800; < Latin ferr(um) iron + -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for ferric


of or containing iron in the trivalent state: ferric oxide; designating an iron (III) compound
Word Origin
C18: from Latin ferrum iron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ferric

1799, from Latin ferrum "iron" (see ferro-) + -ic. Of iron, especially with a valence of three.

Online Etymology Dictionary, © 2010 Douglas Harper
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ferric in Medicine

ferric fer·ric (fěr'ĭk)
Of, relating to, or containing iron, especially with a valence of 3 or a valence higher than in a corresponding ferrous compound.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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ferric in Science
Containing iron, especially iron with a valence of 3. Compare ferrous.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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