Dictionary.com
Thesaurus.com

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

Yet many researchers and journalists still associate the term with the first such chemicals widely studied: for example, dialkylimidazolium, quaternary ammonium and phosphonium salts, which were explored in the 1990s as potential ‘green’ solvents and electrolytes.

From Nature

The mechanism demonstrates the impressive fluoride ion affinity of this highly electron-deficient phosphonium center.

From Science Magazine

The phosphonium salts are of but little importance.

From Project Gutenberg

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 Project Gutenberg