Lethal Dose 50

Meaning, Term, and Glossary Definition - What is Lethal Dose 50?

Also referred to as LD50, the dose of a toxicant that will kill 50 percent of test organisms within a designated period of time; the lower the LD 50, the more toxic the compound.

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Related glossary terms:

Absorbed Dose   Administered Dose   Applied Dose   Biologically Effective Dose   Dose Equivalent   Dose Rate   Dose Response   Dose Response Curve   Dose-Response Assessment   Dose-Response Relationship   
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Analytical testing dots