Median lethal concentration

{
  "id": "MLC-T-ENV-016878",
  "term": "Median lethal concentration",
  "field": "Environment",
  "term_source": "Median Lethal Concentration",
  "definition": "1. A statistically or graphically estimated concentration that is expected to be lethal to 50 percent of a group of organisms under specified conditions.\n\n2. A statistically derived concentration of a substance that can be expected to cause death in 50% of test animals. It is usually expressed as the weight of substance per weight or volume of water, air or feed, e.g., mg/l, mg/kg or ppm.\n\n3. The concentration of a substance needed to kill 50% of the organisms within a specified period of time. This measurement endpoint is most often used in acute laboratory toxicity tests.",
  "abbreviation": "LC50",
  "synonyms": [
    "LC₅₀"
  ],
  "subject": "Policy and guidance",
  "references": [
    "Waste and Cleanup Risk Assessment Glossary",
    "Pesticides Reregistration Glossary",
    "CADDIS Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/median-lethal-concentration/"
}