Organophosphorus

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The American Heritage® Dictionary of the English Language, 4th Edition
  • n. An organophosphate.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • adj. describing any of a series of derivatives of phosphorus that have at least one alkyl or aryl group, especially one containing at least one carbon-phosphorus bond
  • Word Usage
    "Nerve agents belong to a class of compounds known as organophosphorus OP agents."
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