sulfate

noun
sul·​fate | \ ˈsəl-ˌfāt How to pronounce sulfate (audio) \

Definition of sulfate

 (Entry 1 of 2)

1 : a salt or ester of sulfuric acid
2 : a divalent group or anion SO4 characteristic of sulfuric acid and the sulfates

sulfate

verb
sulfated; sulfating

Definition of sulfate (Entry 2 of 2)

transitive verb

: to treat or combine with sulfuric acid or a sulfate

Examples of sulfate in a Sentence

Recent Examples on the Web: Noun Those wells contained mercury, boron, calcium, sulfate and barium — all of which are potential indicators of coal ash contaminants. ProPublica, "A Power Company’s Quiet Land-Buying Spree Could Shield It From Coal Ash Cleanup Costs," 24 Nov. 2020 In the hair department, there's the Shea Moisture Daily Hydration Shampoo and Conditioner, which are sulfate-free and packed with shea butter and coconut oil to gently cleanse and lock in moisture. Sydney Clarke, refinery29.com, "Whole Foods’ First-Ever Clean Beauty Advent Calendar Is Here," 16 Nov. 2020 Those types of sulfate aerosols are highly effective at reflecting sunlight. Sarah Gibbens, National Geographic, "Did climate change drive 2020's epic hurricane season? It’s complicated.," 10 Nov. 2020 Providers frequently face shortages of important treatments options from morphine sulfate to amino acids and multi-vitamin infusions. The Salt Lake Tribune, "Merger between South Dakota, Utah hospitals tips the scale," 14 Nov. 2020 Providers frequently face shortages of important treatments options from morphine sulfate to amino acids and multi-vitamin infusions. Patrick Anderson And Makenzie Huber, Star Tribune, "Merger between South Dakota, Utah hospitals tips the scale," 14 Nov. 2020 For example, sodium chloride staunches green light, while sulfate salts add slightly more red to the mix. Maya Wei-haas, National Geographic, "One of Jupiter's icy moons may glow in the dark," 9 Nov. 2020 Under the project proposal, the Sevier Playa would have produced the more valuable sulfate of potash, used to fertilize high-value nut and fruit crops, which are sensitive to the chlorine in other, cheaper forms of potash. Brian Maffly, The Salt Lake Tribune, "Big Utah potash project collapses for lack of investors," 11 Oct. 2020 Another proposal would pump billions of tons of sulfate gas into the upper atmosphere. Chris Perkins, sun-sentinel.com, "A company says its ‘Bubble Curtain’ could snuff out hurricanes. Is it just another crazy idea, or could this one work?," 9 Oct. 2020 Recent Examples on the Web: Verb Instead, wash with a gentle, sulfate-free shampoo one day, and one that exfoliates the scalp the next (look for formulas that incorporate tea tree oil or salicylic acid). Julie Ricevuto, Allure, "The Science of Beauty: The Complete Guide to Scalp Care," 17 Dec. 2020 One idea, based on the tracks of ocean ships, is to seed reflective clouds; another is inspired by volcanoes, which can spew sulfate aerosols into the stratosphere and appreciably cool the planet. Paul Voosen, Science | AAAS, "Geoengineers inch closer to Sun-dimming balloon test," 15 Dec. 2020 Even if the risk of acid mine drainage were low, there would be a stew of other contaminants in the mine water, such as zinc, cobalt, mercury, sulfate, chlorides and arsenic. Jennifer Bjorhus, Star Tribune, "Success of Twin Metals copper mine hinges on holding every last drop of tainted water," 12 Dec. 2020 Murdock’s pH balanced, sulfate-free beard shampoo is available in the U.S. and gets high marks for a thorough clean that removes daily grit without stripping hair follicles or skin. Sean Piccoli, NBC News, "Best men's beard and grooming products, according to experts," 2 Nov. 2020 Each one is free of parabens, phthalate and sulfate, and can be used under makeup or on its own. Melissa Lee, USA TODAY, "You can get La Mer's coveted skincare for less during Nordstrom's Anniversary Sale," 5 Aug. 2020 Silicone free, sulfate free, paraben free conditioner. Shalwah Evans, Essence, "Olympic Swimmer Lia Neal Shares How To Care For Hair In And Out Of The Water," 17 June 2020 To keep your preferred pink shade vibrant, Appleton recommends using a sulfate-free shampoo as well. Rachel Lubitz, refinery29.com, "The Pastel Hair Colour Trend Taking Over," 1 June 2020 The team also found that sulfated anophelins are more effective than hirudin, a blood-thinning molecule derived from the salivary juices of leeches, which is occasionally used in clinical settings. Vanessa Zainzinger, Science | AAAS, "Mosquito spit can bust blood clots in mice," 10 Apr. 2018

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

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First Known Use of sulfate

Noun

1788, in the meaning defined at sense 1

Verb

1888, in the meaning defined above

History and Etymology for sulfate

Noun

French, from Latin sulfur

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Time Traveler for sulfate

Time Traveler

The first known use of sulfate was in 1788

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Statistics for sulfate

Last Updated

7 Dec 2020

Cite this Entry

“Sulfate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfate. Accessed 28 Jan. 2021.

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More Definitions for sulfate

sulfate

noun
How to pronounce sulfate (audio)

English Language Learners Definition of sulfate

chemistry : a salt that is formed when sulfuric acid reacts with another chemical element

sulfate

noun
sul·​fate
variants: or chiefly British sulphate \ ˈsəl-​ˌfāt How to pronounce sulfate (audio) \

Medical Definition of sulfate

 (Entry 1 of 2)

1 : a salt or ester of sulfuric acid
2 : a bivalent group or anion SO4 characteristic of sulfuric acid and the sulfates
variants: or chiefly British sulphate
sulfated or chiefly British sulphated; sulfating or chiefly British sulphating

Medical Definition of sulfate (Entry 2 of 2)

: to treat or combine with sulfuric acid or a sulfate

More from Merriam-Webster on sulfate

Nglish: Translation of sulfate for Spanish Speakers

Britannica.com: Encyclopedia article about sulfate

Comments on sulfate

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