phosphotungstic acid

noun

phos·​pho·​tung·​stic acid -ˌtəŋ-stik- How to pronounce phosphotungstic acid (audio)
: any of several acids obtainable from solutions of phosphoric acid and tungstic acid and used chiefly as precipitants (as for alkaloids and for basic dyes for pigments) and in analytical reagents
especially : a greenish yellow crystalline acid H3PW12O40·xH2O used as a reagent and as a biological stain

Dictionary Entries Near phosphotungstic acid

Cite this Entry

“Phosphotungstic acid.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/phosphotungstic%20acid. Accessed 9 Feb. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY