phosphonium

[ fos-foh-nee-uhm ]

nounChemistry.
  1. the positively charged group PH4+.

Origin of phosphonium

1
First recorded in 1865–70; phosph(orus) + (amm)onium

Words Nearby phosphonium

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024