six sigma
nounUK /ˌsɪks ˈsɪɡmə/
US /ˌsɪks ˈsɪɡmə/
Six Sigma is a way of fixing mistakes in work so things are made almost perfectly.
The factory used Six Sigma to cut down on broken parts.
SYNONYMS
RELATED WORDS
OTHER MEANINGS
2. A statistical measure of how few defects a process produces, with six sigma meaning about 3.4 defects per million opportunities.
Their error rate reached six sigma, meaning almost no mistakes.
3. A certification level or training program in the Six Sigma methodology.
She earned a Six Sigma green belt last year.
4. A business strategy that uses data and statistics to reduce variation and waste.
The company adopted Six Sigma across all its plants.