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lethal dose Definition

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lethal dose
noun(LD50)
the amount of a toxic agent (as a poison, virus, or radiation) that is sufficient to kill 50 percent of a population of animals usually within a certain time —called also median lethal dose
lethal dose
noun(LD50)
ld50
lethal dose
noun(LD50)
the smallest dose experimentally found to kill any one animal of a test group

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