Organic Chemical
parathion Audio
par·a·thi·on [ par-uh-thahy-on ]
Subclass of:
Organothiophosphates
Definitions related to parathion:
  • A highly toxic cholinesterase inhibitor that is used as an acaricide and as an insecticide.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • A synthetic organic thiophosphate compound and organophosphate acetylcholinesterase inhibitor that is used as a pesticide. It is characterized as a deep brown to yellow liquid with a faint garlic odor, and exposure occurs by inhalation, ingestion, or contact.
    NCI
    U.S. National Cancer Institute, 2021
  • Agricultural insecticide highly toxic to humans and animals.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The organophosphorus agent parathion.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.