LD50
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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 • Jul. 26, 2023
The LD50 for borax in rats is about 5g per kilogram of body weight.
From Salon • Jul. 26, 2023
In an open letter, Shut Down LD50 said that it could not “creditably be argued that the talk series was an instance of artistic license or of the free-spirited ‘exploration’ of ideas.
From The Guardian • Feb. 22, 2017
The meter’s screen lights up: LD50 .001 nanograms per kilogram.
From "The Last Cuentista" by Donna Barba Higuera
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