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LD50

noun \ˌel-ˌdē-ˈfif-tē\

Definition of LD50

  1. :  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



Origin and Etymology of ld50

lethal dose


First Known Use: 1942


Medical Dictionary

LD50

noun

Medical Definition of LD50

  1. :  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



Variants of ld50

or

LD50

\ˈel-ˈdē-ˈfif-tē\play

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