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phosphonium

[fos-foh-nee-uhm]

phos·pho·ni·um

[fos-foh-nee-uhm]
noun Chemistry.
the positively charged group PH4+.

Origin:
1865–70; phosph(orus) + (amm)onium
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Phosphonium is always a great word to know.
So is brine. Does it mean:
any of a number of polymers containing alternate silicon and oxygen atoms and that are fluid, resinous, rubbery, extremely stable in high temperatures, and water-repellent
any saline or salty solution
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