1
: of, relating to, or containing iron
2
: being or containing divalent iron
Examples of ferrous in a Sentence
Recent Examples on the Web
There are also chemical moss killing sprays that contain iron sulfate (ferrous ammonium sulfate) that should be applied following product label directions.
—
Mary Marlowe Leverette, Southern Living, 10 Sep. 2025
The features are likely due to the presence of ferrous iron phosphate and iron sulfide, or the minerals vivianite and greigite, according to the researchers.
—Ashley Strickland, CNN Money, 10 Sep. 2025
Non-ferrous and precious metals led gains in Hong Kong and China markets, while real estate rallied on speculation that Shenzhen may ease home-buying rules.
—Brendan Ahern, Forbes.com, 9 Sep. 2025
At 1,952 to 2,034 feet above sea level, a cool microclimate preserves acidity and aromatic intensity, and ferrous clay soils with underlying conglomerate rock provide excellent drainage and a distinctive mineral profile.
—Mike Desimone, Robb Report, 31 Aug. 2025
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Mary Marlowe Leverette, Southern Living, 10 Sep. 2025
The features are likely due to the presence of ferrous iron phosphate and iron sulfide, or the minerals vivianite and greigite, according to the researchers.
—Ashley Strickland, CNN Money, 10 Sep. 2025
Non-ferrous and precious metals led gains in Hong Kong and China markets, while real estate rallied on speculation that Shenzhen may ease home-buying rules.
—Brendan Ahern, Forbes.com, 9 Sep. 2025
At 1,952 to 2,034 feet above sea level, a cool microclimate preserves acidity and aromatic intensity, and ferrous clay soils with underlying conglomerate rock provide excellent drainage and a distinctive mineral profile.
—Mike Desimone, Robb Report, 31 Aug. 2025
See All Example Sentences for ferrous
Cite this Entry
“Ferrous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ferrous. Accessed 16 Sep. 2025.
Copy CitationKids Definition
ferrous
adjective
fer·rous
ˈfer-əs 
: of, relating to, or containing iron
Medical Definition
ferrous
adjective
fer·rous
ˈfer-əs
1
: of, relating to, or containing iron
2
: being or containing iron with a valence of two
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