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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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"We found the literal opposite of what we expected if you treat the bats with a lethal dose of this chemical," he said.

From Science Daily ● Sep. 12, 2026

Since 1997, external, 5,520 people have received a prescription for a lethal dose of medication - with 3,691 deaths.

From BBC ● Sep. 11, 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

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

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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