phosphate

P3H4O1S1P3H4A1T1E1
UK/ˈfɒsfeɪt/US/ˈfɑsfeɪt/

noun

Any salt or ester of phosphoric acid.

Similar
orthophosphateinorganic phosphate
CommonScrabble 19

Meanings

phosphate1

nounphosphate (countable and uncountable, plural phosphates)

plural phosphates

  1. countableuncountablechemistryAny salt or ester of phosphoric acid.

    Bony fishes were judicious in their use of phosphate as a building material: their teeth, a few parts of the skeleton, and that was it.

    2022 November 4, Natalie Angier, “The Sad Fate of the Ancient, Well-Shelled Mariners”, in The New York Times, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 04 Nov 2022
    1 more example

    Make sure you don’t use detergents with phosphates or nonylphenol ethoxylate surfactants, but that information is rarely available on the labels.

    2009 February 26, Julie Scelfo, “When It Comes to Detergents, What’s the Least Irresponsible Choice?”, in The New York Times
  2. countableuncountableagricultureAny fertiliser containing phosphate compounds.
  3. countableuncountableGuano (containing high levels of phosphates and harvested for the fertiliser industry).
  4. UScountabledatedregionaluncountableA carbonated soft drink containing phosphoric acid, often flavored with a fruit-based syrup.

    An egg phosphate is a phosphate to which an egg has been added in the proper manner. While an egg phosphate can be flavored with any syrup that makes a good phosphate, still the standard flavor by long usage has com to be orange […]

    1920, Irving P. Fox, The Spatula, page 27
    2 more examples

    “This man here,” she said, “can make you a cherry Coke or a chocolate Coke or a phosphate — a chocolate phosphate or. “Vanilla phosphate,” the man helped, “cherry phosphate, orange phosphate, lime phosphate, lemon phosphate,

    2002, Michael Raleigh, In the castle of the Flynns, page 180

    You order California burgers for us both, even though I don't eat lettuce or tomato, then you order me a phosphate, cherry, a dreadful fizzy drink you say you always loved. It's bitter, bubbly, unbearable; but, thirsty for your past, force myself to drink it.

    2008, Kathryn Kysar, Riding shotgun: women write about their mothers, page 106

phosphate2

verbphosphate (third-person singular simple present phosphates, present participle phosphating, simple past and past participle phosphated)

present singular third person phosphates · participle present phosphating · participle past phosphated · past phosphated

  1. transitiveTo treat or coat with a phosphate or phosphoric acid.

Synonyms & antonyms

nouna salt of phosphoric acid

Similar
orthophosphateinorganic phosphate
Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

phosphate · noun

  1. Proto-Indo-European*bʰeh₂-
  2. Proto-Indo-European*bʰéh₂os
  3. Proto-Hellenic*pʰáwos
  4. Ancient Greekφᾰ́ος (phắos)
  5. Ancient Greekφῶς (phôs)
  6. Proto-Indo-European*bʰer-
  7. Proto-Indo-European*bʰéreti
  8. Proto-Hellenic*pʰérō
  9. Ancient Greekφέρω (phérō)
  10. Ancient Greekφωσφόρος (phōsphóros)
  11. Latinphōsphorus
  12. Frenchphosphore
  13. Frenchphosphate
  14. Englishphosphate

From French phosphate. By surface analysis, phosphoric acid + -ate (“salt or ester”).

Full word history & related roots →

phosphate · verb

From phosphoric acid + -ate (verb-forming suffix).

Full word history & related roots →

Translations

Bulgarian фосфат
  • фосфат (fosfat)any salt or ester of phosphoric acid
Catalan fosfat, fosfatar
  • fosfatany salt or ester of phosphoric acid
  • fosfatarto treat or coat with phosphate
Chinese Mandarin 磷酸鹽 /磷酸盐
  • 磷酸鹽 /磷酸盐 (línsuānyán)any salt or ester of phosphoric acid
Czech fosforečnan, fosfát
  • fosforečnanany salt or ester of phosphoric acid
  • fosfátany salt or ester of phosphoric acid
Danish fosfat
  • fosfatany salt or ester of phosphoric acid
Esperanto fosfato
  • fosfatoany salt or ester of phosphoric acid
Finnish fosfaatti
  • fosfaattiany salt or ester of phosphoric acid
French phosphate, phosphater
  • phosphateany salt or ester of phosphoric acid
  • phosphaterto treat or coat with phosphate
German Phosphat
  • Phosphatany salt or ester of phosphoric acid
Greek φωσφορικό άλας
  • φωσφορικό άλας (fosforikó álas)any salt or ester of phosphoric acid
Hungarian foszfát
  • foszfátany salt or ester of phosphoric acid
Irish fosfáit
  • fosfáitany salt or ester of phosphoric acid
Italian fosfato, fosfatare
  • fosfatoany salt or ester of phosphoric acid
  • fosfatareto treat or coat with phosphate
Japanese 燐酸塩
  • 燐酸塩 (rinsan'en)any salt or ester of phosphoric acid
Māori pākawa tūtaewhetū
  • pākawa tūtaewhetūany salt or ester of phosphoric acid
Norwegian Bokmål fosfat
  • fosfatany salt or ester of phosphoric acid
Polish fosforan, okrywać fosforanem
  • fosforanany salt or ester of phosphoric acid
  • okrywać fosforanemto treat or coat with phosphate
  • okryć fosforanemto treat or coat with phosphate
Portuguese fosfato
  • fosfatoany salt or ester of phosphoric acid
Romanian fosfat, fosfata
  • fosfatany salt or ester of phosphoric acid
  • fosfatato treat or coat with phosphate
Russian фосфа́т
  • фосфа́т (fosfát)any salt or ester of phosphoric acid
Spanish fosfato, fosfatar
  • fosfatoany salt or ester of phosphoric acid
  • fosfatarto treat or coat with phosphate
Swahili fosfeti
  • fosfetiany salt or ester of phosphoric acid
Swedish fosfat
  • fosfatany salt or ester of phosphoric acid
Ukrainian фосфат
  • фосфат (fosfat)any salt or ester of phosphoric acid
Welsh ffosffad
  • ffosffadany salt or ester of phosphoric acid
Yiddish פֿאָספֿאַט
  • פֿאָספֿאַט (fosfat)any salt or ester of phosphoric acid
Cite this entry
APA

phosphate. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/phosphate

MLA

“phosphate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phosphate. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “phosphate,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/phosphate.

Source: phosphate on Wiktionary, CC BY-SA 4.0.