LD50
noun
\ ˌel-ˌdē-ˈfif-tē
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Definition of LD50
: the amount of a toxic agent (such as a poison, virus, or radiation) that is sufficient to kill 50 percent of a population of animals usually within a certain time
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More Definitions for LD50
LD50
noun
variants:
or LD50 \ ˈel-ˈdē-ˈfif-tē
\
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Medical Definition of 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