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phosphonium

American  
[fos-foh-nee-uhm] / fɒsˈfoʊ ni əm /

noun

Chemistry.
  1. the positively charged group PH 4 + .


Etymology

Origin of phosphonium

First recorded in 1865–70; phosph(orus) + (amm)onium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The team's ultimate designs for short-chain ammonium phosphate and phosphonium phosphate IL additives resulted in 90-100% survival rates after seven days.

From Science Daily • May 2, 2024

Like ammonia, gaseous phosphine unites with gaseous hydrogen halides, forming phosphonium compounds like PH4Cl and PH4I.

From Textbooks • Feb. 14, 2019

The phosphonium salts are of but little importance.

From An Elementary Study of Chemistry by McPherson, William

If a small quantity of water is used, a larger deposit of yellow phosphorus is formed, together with a considerable quantity of phosphonium iodide.

From Scientific American Supplement, No. 841, February 13, 1892 by Various

C.; by this means 6-amino-2.8-dichlorpurin is obtained, which on reduction by means of hydriodic acid and phosphonium iodide is converted into adenine.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg