What is the meaning of standardization?

noun

• The condition in which a standard has been successfully established.
  • usage: "standardization of nuts and bolts had saved industry millions of dollars"
  • synonyms: standardisation
• The imposition of standards or regulations.
  • usage: "a committee was appointed to recommend terminological standardization"
  • synonyms: standardisation, normalization, normalisation
• The act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument.
  • usage: "the thermometer needed calibration"
  • synonyms: calibration, standardisation