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LD50

American  
  1. median lethal dose.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"The lowest dose we used is what you find in natural plants, the intermediate dose is similar to what you would find in some energy drinks, and the highest amount is set to be the LD50 of bees -- where half the bees fed this dose die -- so it's likely to be quite toxic for them," says Galante.

From Science Daily

The LD50 for borax in rats is about 5g per kilogram of body weight.

From Salon

In toxicology, the median lethal dose, or LD50, is the approximate dose required to kill half the animals in a population being studied.

From Salon

Even on Earth, the skin of a Colombian golden poison frog had a waaaaay lower LD50—the Lethal Dose needed to kill 50% of a test population.

From Literature

The meter’s screen lights up: LD50 .001 nanograms per kilogram.

From Literature