Word.ws English Dictionary

Six Sigma

Six Sigma proper noun: a set of techniques and tools for process improvement.

Proper noun

Six Sigma

  1. A set of techniques and tools for process improvement.

Origin of Six Sigma

A reference to the fraction of a normal curve that lies within six standard deviations of the mean, used to represent a defect rate.

Questions about Six Sigma

What does Six Sigma mean?
Six Sigma means a set of techniques and tools for process improvement.
What part of speech is Six Sigma?
Six Sigma is a proper noun.

Words near Six Sigma in the dictionary

  1. six penny nails
  2. six perfections
  3. six pointer
  4. six pointers
  5. six senses
  6. Six Sigma
  7. six thousand
  8. six to one, half dozen to another
  9. six ways for Sunday
  10. six ways from Sunday
  11. six ways till Sunday

Source and license

Adapted from Wiktionary: Six Sigma (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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