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lethal dose

British  

noun

  1.  LD.  the amount of a drug or other agent that if administered to an animal or human will prove fatal See also median lethal dose

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Members rejected an attempt to limit the ability of doctors to prescribe a lethal dose to cases where individuals were unable to self-administer the drugs.

From BBC • Feb. 26, 2026

The radiation exposure is so high that a person visiting Europa would receive a lethal dose in a matter of hours, according to the European Space Agency.

From Los Angeles Times • Oct. 18, 2023

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

Nearly every state that has MAiD allows terminally ill adults with less than six months to live to ask doctors for a lethal dose of drugs that they can then ingest themselves, typically at home.

From Washington Times • Feb. 22, 2023

The amount used on California farms alone could, according to one medical authority, “provide a lethal dose for 5 to 10 times the whole world’s population.”

From "Silent Spring" by Rachel Carson

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