1
: of, relating to, or containing iron
2
: being or containing iron usually with a valence of three
Examples of ferric in a Sentence
Recent Examples on the Web
Other forms of iron in iron supplements include heme iron polypeptides (HIP), carbonyl iron, iron amino-acid chelates, and polysaccharide-iron complexes (PIC), which have fewer gastrointestinal side effects when compared to the ferric and ferrous salts.
—
Bestreviews, Mercury News, 4 Feb. 2026
Vitamin C can create a more acidic environment in the stomach and prevent the oxidation of ferrous iron to ferric iron.
—Ayesha Gulzar, Verywell Health, 14 Jan. 2026
To everyone’s surprise, the team discovered that Geobacter could oxidize organic compounds while reducing ferric iron, converting it to ferrous iron in the process.
—Scott Travers, Forbes.com, 11 Jan. 2026
To understand how ferric iron forms on the moon, the researchers examined several possible mechanisms and ruled out some alternatives.
—Bojan Stojkovski, Interesting Engineering, 16 Nov. 2025
The village was surrounded by ferric dunes, which have iron filings in the sand, their rust color produced by metal oxidized by wind and time.
—Aatish Taseer, Travel + Leisure, 13 Oct. 2025
Using data gathered by Mars orbiters, Bishop and her team studied sites with an odd spectral signature — that of an iron-bearing mineral called a ferric hydroxysulfate.
—Julian Dossett, Space.com, 8 Aug. 2025
There were ferric hillocks of oxidized green and chasms that tore through flat earth, at the bottom of which a ribbon of river caught the sunlight.
—Andrew Moore, New York Times, 15 May 2025
The scientists proceeded to mix ferric nitrate with potassium hydroxide, creating a hard iron oxide mineral called nanocrystalline ferrihydrite, which occurs naturally in soil and water.
—Ben Coxworth, New Atlas, 29 Apr. 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Bestreviews, Mercury News, 4 Feb. 2026
Vitamin C can create a more acidic environment in the stomach and prevent the oxidation of ferrous iron to ferric iron.
—Ayesha Gulzar, Verywell Health, 14 Jan. 2026
To everyone’s surprise, the team discovered that Geobacter could oxidize organic compounds while reducing ferric iron, converting it to ferrous iron in the process.
—Scott Travers, Forbes.com, 11 Jan. 2026
To understand how ferric iron forms on the moon, the researchers examined several possible mechanisms and ruled out some alternatives.
—Bojan Stojkovski, Interesting Engineering, 16 Nov. 2025
The village was surrounded by ferric dunes, which have iron filings in the sand, their rust color produced by metal oxidized by wind and time.
—Aatish Taseer, Travel + Leisure, 13 Oct. 2025
Using data gathered by Mars orbiters, Bishop and her team studied sites with an odd spectral signature — that of an iron-bearing mineral called a ferric hydroxysulfate.
—Julian Dossett, Space.com, 8 Aug. 2025
There were ferric hillocks of oxidized green and chasms that tore through flat earth, at the bottom of which a ribbon of river caught the sunlight.
—Andrew Moore, New York Times, 15 May 2025
The scientists proceeded to mix ferric nitrate with potassium hydroxide, creating a hard iron oxide mineral called nanocrystalline ferrihydrite, which occurs naturally in soil and water.
—Ben Coxworth, New Atlas, 29 Apr. 2025
Cite this Entry
“Ferric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ferric. Accessed 8 Feb. 2026.
Copy CitationKids Definition
ferric
adjective
fer·ric
ˈfer-ik 
: of, relating to, or containing iron
Medical Definition
ferric
adjective
fer·ric
ˈfer-ik
1
: of, relating to, or containing iron
2
: being or containing iron usually with a valence of three
Love words? Need even more definitions?
Merriam-Webster unabridged
