phosphate

noun
phos·​phate | \ ˈfäs-ˌfāt How to pronounce phosphate (audio) \

Definition of phosphate

1a(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 The primary function of vitamin D is to help the body absorb calcium and phosphate, thus keeping muscles and teeth healthy, and bones strong and less likely to break. Katie Hunt, CNN, "Vitamin D doesn't prevent depression in older adults, large study finds," 4 Aug. 2020 Fight snails and slugs by baiting with iron phosphate. Sunset Magazine, "45 Things to Do in Your Garden Right Now," 3 Aug. 2020 But food is so sparse here that oxygen, nitrate, and phosphate were present even in the deepest mud. Scott K. Johnson, Ars Technica, "Bacteria live despite burial in seafloor mud for 100 million years," 29 July 2020 During the late 800s, sediments from Tikal’s two central reservoirs were loaded with phosphate, a nutrient that blue-green algae needs to proliferate. Alex Fox, Smithsonian Magazine, "Why Did the Maya Abandon the Ancient City of Tikal?," 2 July 2020 Tesla could also reveal more about its partnership with China’s Contemporary Amperex Technology (CATL) which supplies what are known as lithium iron phosphate (LFP) batteries. David Z. Morris, Fortune, "Tesla sets a new date for ‘Battery Day’ showcase of its new technology and production line," 22 June 2020 In this case, increase acidity by applying garden sulfur, iron phosphate, or Espoma Holly-tone to the soil according to label directions. Steve Bender, Southern Living, "Spectacular Rhododendrons: How To Grow and Care for the Popular Shrub," 8 June 2020 In March, an Arizona man died and his wife was hospitalized in critical condition after the couple took chloroquine phosphate in an attempt to prevent COVID-19. Erin Corbett, refinery29.com, "Trump’s Push For Hydroxychloroquine To Treat COVID-19 Is Now Life-Threatening," 25 May 2020 Chroloquine phosphate was officially recommended on Feb. 19 in the Covid-19 treatment guidelines published by China’s National Health Commission, along with a few other drugs such as AbbVie Inc. Fortune, "Malaria drug touted as coronavirus treatment by Trump and Elon Musk can be deadly, China finds," 20 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'phosphate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of phosphate

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

History and Etymology for phosphate

French, from acide phosphorique phosphoric acid

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Time Traveler for phosphate

Time Traveler

The first known use of phosphate was in 1788

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Statistics for phosphate

Last Updated

14 Aug 2020

Cite this Entry

“Phosphate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phosphate. Accessed 29 Sep. 2020.

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More Definitions for phosphate

phosphate

noun
How to pronounce phosphate (audio)

English Language Learners Definition of phosphate

chemistry : a salt or compound that has phosphorus in it and that is used especially in products (called fertilizers) that help plants grow

phosphate

noun
phos·​phate | \ ˈfäs-ˌfāt How to pronounce phosphate (audio) \

Medical Definition of phosphate

1a : 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)

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More from Merriam-Webster on phosphate

Nglish: Translation of phosphate for Spanish Speakers

Britannica English: Translation of phosphate for Arabic Speakers

Britannica.com: Encyclopedia article about phosphate

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