Long distance relationship is an LDR
by Damonsekc August 1, 2017
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Lethal Dose, 50%. Refers to the dosage of a given drug required to kill 50% of a test population. The LD50 is usually measured in units of mass of drug per units of body mass; for example, mg/kg. This type of measurement is used to help ensure that the size of the specimen has no effect on the dosage measurement, as a large specimen can generally take a larger dose of a toxin without fatal effects. The measure is often known colloquially as the "semilethal dose;" while it may not always be lethal to a given subject, it will be lethal around half the time.
The LD50 for nicotine in rats is around 50 mg/kg, but it is only 3 mg/kg in mice. What's the LD50 for humans, you ask? Well, if you're willing to participate in the experiment to find out, go buy some cigarettes and knock yourself out (literally).
by progamer124 May 16, 2004
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by BBV4life4lyfe December 14, 2008
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by irl naegg January 11, 2019
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by Eldolph Kittler September 22, 2006
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