ferro-

variant of ferri-: ferroconcrete. In chemical terminology, the meanings of ferri- and ferro- are specialized to correspond to ferric and ferrous.

Origin:
< Latin ferr(um) iron + -o-

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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Ferro- is always a great word to know.

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a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.

a chattering or flighty, light-headed person.

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Collins

World English Dictionary

ferro-

—*combining form*
1.	indicating a property of iron or the presence of iron: ferromagnetism; ferromanganese
2.	Compare ferri- indicating the presence of iron in the divalent state: ferrocyanide

[from Latin ferrum iron]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage

Medical Dictionary

ferro- or ferr-
pref.

Iron: ferrokinetics.
Ferrous iron: ferroprotein.

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ferrochromium ferroconcrete ferrocyanic acid ferrocyanide ferroelectric ferromagnesian

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