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

Examples of phosphate in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
While the vice minister did not provide further details, Saudi officials have discussed plans to significantly expand the country’s exploration for lithium, as well as for other critical minerals and rare earth elements including copper, gold, zinc, phosphate and nickel. Natasha Turak, CNBC, 15 Jan. 2025 In 2024, global average battery prices fell 20% to $115 per kWh, driven by excess production capacity in China and burgeoning low-cost battery chemistries like lithium iron phosphate. Energy Innovation: Policy and Technology, Forbes, 6 Jan. 2025 Batesville-area manganese ore tends also to contain phosphate, which is detrimental in steel production. arkansasonline.com, 30 Nov. 2024 Chinese companies also switched to lithium iron phosphate batteries, known as LFP batteries, which are safer and cheaper—although slightly lower energy density—than the lithium nickel manganese cobalt batteries preferred by Western companies. Jessica Bateman, WIRED, 7 Jan. 2025 See all Example Sentences for phosphate 

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

Dictionary Entries Near phosphate

Cite this Entry

“Phosphate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phosphate. Accessed 23 Jan. 2025.

Kids Definition

phosphate

noun
phos·​phate ˈfäs-ˌfāt How to pronounce phosphate (audio)
1
: a salt of a phosphoric acid
2
: a drink made of carbonated water and fruit syrup with a little phosphoric acid added for tang

Medical Definition

phosphate

noun
phos·​phate ˈfäs-ˌfāt How to pronounce phosphate (audio)
1
a
: a salt or ester of a phosphoric acid
b
: the trivalent anion PO43− derived from phosphoric acid H3PO4
2
: 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)

More from Merriam-Webster on phosphate

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