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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
Recent Examples on the Web
Many iron supplements use a different form of iron called ferrous sulfate, which can cause unpleasant gastrointestinal symptoms like digestive upset, nausea, diarrhea, and constipation.
—Isabel Vasquez Rd Ldn, Verywell Health, 13 Sep. 2024
Nature Made Iron tablets contain 65 milligrams, 361% Daily Value, of ferrous sulfate iron.
—Tamar Kane, Ms, Rd, Verywell Health, 16 July 2024
Other forms of iron, like ferrous sulfate and ferrous fumarate, are not as gentle and may cause stomach issues for some.
—Tamar Kane, Ms, Rd, Verywell Health, 16 July 2024
However, the most common type of iron supplement—ferrous sulfate—is known to cause digestive problems, including constipation, diarrhea, and nausea, leading many people to avoid iron supplements.
—Sarah Anzlovar, Ms, Rd, Verywell Health, 4 June 2024
But Take Note Take note this supplement contains iron in the form of ferrous sulfate, which may cause gastrointestinal discomfort for some people.
—Casey Seiden, Parents, 26 Feb. 2024
Factors to Consider When Selecting an Iron Supplement When choosing an iron supplement for pregnancy, several factors should be taken into consideration:
Type of Iron: Look for supplements that contain elemental iron in forms such as ferrous fumarate or ferrous sulfate.
—Amber Smith, Discover Magazine, 10 Aug. 2023
There are also different types of iron, including ferrous sulfate, ferric glycinate, iron bisglycinate and more.
—Good Housekeeping, 18 July 2023
In most of the geoengineering experiments in the 1990s and early 2000s, scientists mixed a powdered form of iron called ferrous sulfate with acidic water and fed the liquid off the back of a ship, says David Emerson, a geomicrobiologist at the Bigelow Laboratory for Ocean Sciences in Maine.
—Emily Underwood, Smithsonian Magazine, 3 Jan. 2020
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Word History
First Known Use
1832, in the meaning defined above
Dictionary Entries Near ferrous sulfate
Cite this Entry
“Ferrous sulfate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ferrous%20sulfate. Accessed 30 Dec. 2024.
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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