phosphine

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Chemical structure of phosphine, PH3

English[edit]

Etymology[edit]

phosph- +‎ -ine

Pronunciation[edit]

Noun[edit]

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phosphine (countable and uncountable, plural phosphines)

  1. (chemistry, uncountable) a toxic gas; hydride of phosphorus, PH3
  2. (chemistry, countable) any alkyl or aryl derivative of this compound, PR3 (where at least one R is not H)

Usage notes[edit]

  • Any specific substituted phosphine is named as a phosphane e.g. methylphosphane

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Related terms[edit]

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