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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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The laws proposed at Westminster, Holyrood and Tynwald - Isle of Man - all state that death must be by self-administration, which usually means the individual swallowing a lethal dose.

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

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

When we injected a lethal dose of TNF in mice lacking the two proteins in two specific types of myeloid cells, neutrophils and macrophages, mice had reduced symptoms of sepsis and improved survival.

From Salon • Jan. 1, 2023

Not all robins receive a lethal dose, but another consequence may lead to the extinction of their kind as surely as fatal poisoning.

From "Silent Spring" by Rachel Carson

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