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lethality

From Wiktionary, the free dictionary

English

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Etymology

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From lethal +‎ -ity.

Pronunciation

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Noun

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lethality (plural lethalities)

  1. The fact of something being lethal; the ability of something to kill.
  2. The degree of lethal (mortal) danger that something (usually a disease or a weapon) presents; the magnitude of its power to kill organisms exposed to it; this property is indirectly measured by any of various proxy rates, including mortality rate, case fatality rate, or infection fatality rate (for diseases) or kill rate (for weapons, pesticides, or parasites).
    • 2015 August 29, Pål A. Olsvik et al., “Effects of mining chemicals on fish: exposure to tailings containing Lilaflot D817M induces CYP1A transcription in Atlantic salmon smolt”, in BMC Research Notes[1], volume 8, →DOI:
      According to the US Environmental Protection Agency [ 6 ], long-chain substituted propanediamines, the chemical group these compounds belongs to, are considered to be toxic to aquatic organisms, with observed lethality for plankton and fish at concentrations ranging from 0.75 to 170 µg L −1 .

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Translations

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