Dictionary

LD50

noun \ˌel-ˌdē-ˈfif-tē\

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

Origin of LD50

lethal dose
First Known Use: 1942

Rhymes with LD50

LD50

noun    (Medical Dictionary)

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

Variants of LD50

LD50 or LD50 \ˈel-ˈdē-ˈfif-tē\

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May 30, 2015
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