Word.ws English Dictionary

micromort

/ˈmaɪkɹəˌmɔ(ɹ)t/

micromort noun: a unit of risk equivalent to a one-in-a-million probability of death.

Noun

micromort (plural micromorts)

  1. A unit of risk equivalent to a one-in-a-million probability of death.
    • This is described as 10 micromorts per operation, and we can compare this figure with other average risks, such as skydiving (also 10 micromorts), or riding a motorcycle in the UK (yoou^([sic]) have to go around 60 miles to rack up 10 micromorts).
      The micromort is also roughly the average acute...2012 February 16, David Spiegelhalter, “Microlives: A lesson in risk taking”, in BBC Future
    • Taking one pill from the jar amounts to being exposed to exactly one micromort. The amount you are willing to pay to avoid this risk is called your micromort value. Micromorts help us reason about decisions with small probabilities but very serious outcomes, such as deciding whether to undergo...2020, Gregor Hohpe, The Software Architect Elevator […] , O'Reilly, →ISBN, page 49

Forms of micromort

pluralmicromorts

Origin of micromort

From micro- (“one millionth”) + mort (“death”).

Questions about micromort

What does micromort mean?
Micromort means a unit of risk equivalent to a one-in-a-million probability of death.
What part of speech is micromort?
Micromort is a noun.
How do you pronounce micromort?
Micromort is pronounced /ˈmaɪkɹəˌmɔ(ɹ)t/.
What is the plural of micromort?
The plural of micromort is micromorts.

Words near micromort in the dictionary

  1. micromorphology
  2. micromorphometric
  3. micromorphometrically
  4. micromorphometrics
  5. micromorphs
  6. micromort
  7. micromortar
  8. micromortars
  9. micromorts
  10. micromosaic
  11. micromosaics

Source and license

Adapted from Wiktionary: micromort (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “micromort.” Word.ws, https://word.ws/micromort. Based on Wiktionary, CC BY-SA 4.0.