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Noun: alteration  ,ol-tu'rey-shun [N. Amer], ,ól-tu'rey-shun or ,ol-tu'rey-shun [Brit]
  1. An event that occurs when something passes from one state or phase to another
    "the alteration was intended to increase sales";
    - change, modification
  2. The act of making something different (as e.g. the size of a garment)
    - modification, adjustment
  3. The act of revising or altering (involving reconsideration and modification)
    "it would require a drastic alteration of his opinion";
    - revision

Derived forms: alterations

Type of: change, happening, natural event, occurrence, occurrent, transformation, translation

Encyclopedia: Alteration