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phosphate

noun

phos·​phate ˈfäs-ˌfāt How to pronounce phosphate (audio)
1
a(1)
: a salt or ester of a phosphoric acid
(2)
: the trivalent anion PO43− derived from phosphoric acid H3PO4
b
: an organic compound of phosphoric acid in which the acid group is bound to nitrogen or a carboxyl group in a way that permits useful energy to be released (as in metabolism)
2
: an effervescent drink of carbonated water with a small amount of phosphoric acid flavored with fruit syrup
3
: a phosphatic material used for fertilizers

Example Sentences

Recent Examples on the Web The main ingredient in Fortress products, magnesium chloride, is extracted from the Great Salt Lake in Utah, a process the company says is more environmentally friendly than mining and processing phosphate. Arkansas Online, 4 July 2022 Batteries that use lithium iron phosphate, or LFP, accounted for 57% of total battery production for vehicles in China last year, up from less than half the previous year, according to official Chinese figures. Scott Patterson, WSJ, 5 Feb. 2022 While some carmakers have started building cobalt-free batteries—many Tesla batteries now rely instead on lithium phosphate—the demand for the hard, lustrous gray material is only likely to increase. Carlton Reid, Forbes, 1 Aug. 2022 This model swaps out historically problematic—and occasionally flammable—lithium-ion batteries for lithium phosphate, which is non-combustible when damaged or while charging. Zachary Mack, Popular Mechanics, 6 July 2022 Diammonium phosphate, which Tunisia imports from Russia, was in short supply. Washington Post, 14 Apr. 2022 Unlike Ford and Tesla, GM isn’t yet trying to solve the conundrum of getting enough EV materials by turning to the cheaper lithium-iron-phosphate (LFP) chemistry favored by Chinese battery makers. Stephen Wilmot, WSJ, 26 July 2022 QuantumScape’s batteries contain just one nickel-manganese-cobalt or lithium-iron-phosphate electrode. Eric Tegler, Popular Mechanics, 21 June 2022 Feed: About a month after planting sweet potatoes, fertilize with an organic fertilizer with phosphate and potassium to encourage root development. Christopher Michel, Country Living, 18 July 2022 See More

Word History

Etymology

French, from acide phosphorique phosphoric acid

First Known Use

1788, in the meaning defined at sense 1a(1)

Time Traveler
The first known use of phosphate was in 1788

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