1
: a salt or ester of sulfuric acid
2
: a divalent group or anion SO4 characteristic of sulfuric acid and the sulfates
Examples of sulfate in a Sentence
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Rafil Kroll-Zaidi, Curbed, 3 Sep. 2024
The sulfates found in many shampoos remove oil from the hair.10 Sulfate-free products are gentler on the hair.
—Heidi Moawad, Verywell Health, 31 Oct. 2024
Randy Zellers, Field & Stream, 10 Apr. 2023
Energizing Scalp Serum for its gentle, sulfate-free formula.
—Rebecca Deczynski, Health, 30 Jan. 2023
See all Example Sentences for sulfate 
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Noun
Wearing a mask to filter out the acrid tang of sulfates and carbon soot, Wu uses his phone’s camera to capture the license plates and company markings on the buses, then a nearby address, then the school’s façade.
—Rafil Kroll-Zaidi, Curbed, 3 Sep. 2024
The sulfates found in many shampoos remove oil from the hair.10 Sulfate-free products are gentler on the hair.
—Heidi Moawad, Verywell Health, 31 Oct. 2024
Verb
When the battery overheats, the water in the sulfuric acid solution within its case will boil and escape, leaving dry lead plates behind, which sulfate and lose their capacity.
—Randy Zellers, Field & Stream, 10 Apr. 2023
Energizing Scalp Serum for its gentle, sulfate-free formula.
—Rebecca Deczynski, Health, 30 Jan. 2023
See all Example Sentences for sulfate
Dictionary Entries Near sulfate
Cite this Entry
“Sulfate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfate. Accessed 2 Dec. 2024.
Copy CitationMedical Definition
sulfate
2 of 2 transitive verb
variants
or chiefly British sulphate
sulfated or chiefly British sulphated; sulfating or chiefly British sulphating
: to treat or combine with sulfuric acid or a sulfate
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