Dictionary.com
Thesaurus.com

sulphate

British  
/ 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. Often shortened to: sulphslang amphetamine sulphate

"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

Other Word Forms

  • sulphation noun

Etymology

Origin of sulphate

C18: from New Latin sulfātum; see sulphur

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Bikita Minerals, Zimbabwe's largest lithium mine and owned by Sinomine Resources Group, is working on feasibility studies for the construction of a lithium sulphate plant in December, spokesperson Tinomuda Chakanyuka said.

From Barron's • Feb. 26, 2026

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

From Science Daily • Dec. 5, 2023

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 • Sep. 13, 2023

Despite its deadly potential, the nerve-gas antidote atropine sulphate can be extracted from it.

From BBC • Jul. 10, 2023

Thus, if nicotine sulphate is applied before rather than after the apple blossoms turn pink one of the important predators is spared, probably because it is still in the egg stage.

From "Silent Spring" by Rachel Carson