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sulphate

/ ˈsʌlfeɪt /

noun

  1. any salt or ester of sulphuric acid, such as sodium sulphate, Na 2 SO 4 , sodium hydrogen sulphate, or diethyl sulphate, (C 2 H 5 ) 2 SO 4
  2. slang.
    amphetamine sulphate Often shortened tosulph
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


verb

  1. tr to treat with a sulphate or convert into a sulphate
  2. to undergo or cause to undergo the formation of a layer of lead sulphate on the plates of an accumulator
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • sulˈphation, noun
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Word History and Origins

Origin of sulphate1

C18: from New Latin sulfātum; see sulphur
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Example Sentences

Because sulphate aerosols only last a couple of years in the atmosphere compared to the decades that carbon dioxide lasts, stratospheric aerosol injection is only seen as a short-term method.

From BBC

They identified geochemical "fingerprints" of various microorganisms, including those that must have used sunlight for energy, metabolised sulphate and probably also produced methane.

Further investigations traced this back to a phase of strong methane formation by microorganisms known as archaea in water with a low sulphate content.

Once polluted regions in India or the Middle East improve their air quality by abandoning fossil fuels and transitioning to green energy sources, they too will lose their shield of sulphates, scientists said.

From Reuters

In Singapore, Abaxx, a new commodities exchange is aiming to launch a nickel sulphate contract, the world's first for a type of nickel used to make the lithium-ion rechargeable batteries that power electric vehicles.

From Reuters

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