ferrous sulfate

noun

: a salt obtained usually in its bluish-green hydrated form FeSO4·7H2O that is used especially in making inks, pigments, and other iron salts and in medicine for treating anemia caused by iron deficiency

Examples of ferrous sulfate in a Sentence

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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.
For example, ferrous sulfate contains roughly 20% elemental iron compared to ferrous fumarate, which is 33% elemental iron. — Amy Brownstein, Ms, Rdn, Verywell Health, 25 Feb. 2025 In addition to ferrous sulfate and ferrous gluconate, other ferrous iron forms in a supplement include ferrous fumarate and ferrous bisglycinate.6 2. — Melissa Nieves, Verywell Health, 9 Jan. 2025

Word History

First Known Use

1832, in the meaning defined above

Time Traveler
The first known use of ferrous sulfate was in 1832

Rhymes for ferrous sulfate

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Browse Nearby Words

ferrous oxide
ferrous sulfate
ferrous sulfide
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Cite this Entry

“Ferrous sulfate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ferrous%20sulfate. Accessed 27 Mar. 2025.

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Kids Definition

ferrous sulfate

noun
: a salt that consists of iron, sulfur, and oxygen and is used in treating industrial wastes and in medicine

Medical Definition

ferrous sulfate

noun
: an astringent iron salt obtained usually in the form of its pale green crystalline hydrate FeSO4·7H2O and used in medicine chiefly for treating iron-deficiency anemia

More from Merriam-Webster on ferrous sulfate

Britannica.com: Encyclopedia article about ferrous sulfate

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