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Word of the Day Tuesday, June 9, 2026

phosphonium

/fɒsfəˈniəm/ noun · British & US
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What does phosphonium mean?

noun

A type of organometallic compound that contains a phosphorus atom bonded to a metal atom, often used as a catalyst in organic reactions.

Example

"The chemist used a phosphonium salt to facilitate the reaction, resulting in a high yield of the desired product."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for phosphonium

Rhymes with phosphonium

Etymologically related