ammonium sulfate

noun

: a colorless crystalline salt (NH₄)₂SO₄ used chiefly as a fertilizer

Examples of ammonium sulfate in a Sentence

Recent Examples on the Web

Fertilize plants with ammonium sulfate in spring to deliver nutrients and promote the acidic soil conditions blueberries thrive in. — Megan Hughes, Better Homes & Gardens, 18 Apr. 2026

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, 13 Mar. 2026

That ammonia is then captured as ammonium sulfate, a common fertilizer. — Aamir Khollam, Interesting Engineering, 19 Aug. 2025

In the new study, researchers cultivated the fungus in an ammonium sulfate-rich environment to stimulate it to produce sulfated polysaccharide (SPS) molecules. — New Atlas, 15 Aug. 2025

Metroplex recommendations, however, suggest less phosphorus (middle number of the analysis) or even all nitrogen such as ammonium sulfate applied to our alkaline black clay gumbo soils. — Neil Sperry, Fort Worth Star-Telegram, 17 Jan. 2025

The method extracted a higher percentage of the REEs more quickly than conventional leaching and needed less ammonium sulfate. — Bydennis Normile, science.org, 1 Nov. 2022

Word History

First Known Use

1866, in the meaning defined above

Rhymes for ammonium sulfate

• borosilicate
• decontaminate
• deoxycholate
• deteriorate
• differentiate
• diisocyanate
• dinoflagellate
• excommunicate
• incapacitate
• insubordinate
• intercorporate
• interpenetrate

Kids Definition

ammonium sulfate

noun

: a colorless crystalline salt used chiefly as a fertilizer

Medical Definition

ammonium sulfate

noun

: a colorless crystalline salt (NH₄)₂SO₄ used as a fertilizer and in medicine as a local analgesic