ferrous sulfate

noun

Definition of ferrous sulfate

: 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

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Kowalewski recommends sulfate products such as ferrous sulfate, iron sulfate and ammonium sulfate. — Kym Pokorny, OregonLive.com, "Controlling moss in your lawn starts with keeping grass healthy," 17 Dec. 2017 By the early 19th century, a newer dye made from logwood and ferrous sulfate made the color cheap to produce. — Shelley Puhak, The Atlantic, "The Underclass Origins of the Little Black Dress," 13 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ferrous sulfate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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The first known use of ferrous sulfate was in 1832

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ferrous sulfate

noun

Medical Definition of ferrous sulfate

: 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