lethality

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Lethality refers to the state or degree of being deadly or fatal. It's often used in scientific and medical contexts.

When scientists study a new substance or treatment, they might discuss its lethality - how likely it is to cause death if used incorrectly or in high doses. In medicine, doctors will consider a patient's lethality when deciding on a course of treatment for an illness or injury. They'll weigh the risks against the benefits and choose options that are less lethal.

How common is "lethality"?

Word lethality is considered rare in modern English.
It has a balanced usage among all categories: speech, fiction, newspapers and academic texts.
Definitions

noun

  • The fact of something being lethal; the ability of something to kill

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