megadeath

American  

[meg-uh-deth] / ˈmɛg əˌdɛθ /

noun

1. a unit of one million deaths: used in estimating or predicting the fatalities that would occur in a nuclear war.

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megadeath British  

/ ˈmɛɡəˌdɛθ /

noun

1. the death of a million people, esp in a nuclear war or attack

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Etymology

Origin of megadeath

First recorded in 1950–55; mega- + death

Example Sentences

Even the nuclear realists, busy as their minds must be with calculations of acceptable levels of megadeath, would not want to overlook anything.

From Literature