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What does LD50 stand for?

LD50 stands for Lethal Dose 50 (median concentration of a toxicant that will kill 50% of the test animals within a designated period)

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

Samples in periodicals archive:

While acknowledging that some animal tests, such as the Lethal Dose 50 Percent (LD50) and the Maximum Tolerated Dose (MTD), may yield results that are statistically invalid and difficult to extrapolate to humans, he nevertheless concludes, "Though imperfect, in most tests the mouse ramains the best model for man.