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

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

Derived Forms

• sulˈphation, noun

Word History and Origins

Origin of sulphate¹

C18: from New Latin sulfātum; see sulphur

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.

From Science Daily

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

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