Home > Term: lethal dose 50 (LD 50)
lethal dose 50 (LD 50)
The dose of a toxicant that will kill 50% of test organisms within a designated period of time. The lower the LD 50, the more toxic the compound.
- Part of Speech: noun
- Industry/Domain: Agricultural chemicals
- Category: Pesticides
- Government Agency: U.S. EPA
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Creator
- Spencer
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