phosphonium

[ fos-foh-nee-uhm ]

noun

, Chemistry.

1. the positively charged group PH 4 + .

Word History and Origins

Origin of phosphonium¹

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

Example Sentences

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