1. The act of altering; the change made.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• alterration,
• filteration,
• aliteration,
• alertation,
• aderation,
• alterating,
• altecation,
• alteracation,
• altrecation,
• alitteration,
• alteraction,
• alterarion,
• opteration,
• aleterations,
• allteration,
• attration,
• altrations,
• itteration,
• alterction,
• alleteration

• alter ego,
• alliteration,
• alternator,
• altercation,
• alternatively,
• altercate,
• alterable,
• alterative,
• aliterate,
• alternating,
• alternation,
• alliterator,
• altieri,
• alternate,
• alterability,
• altering,
• alternative,
• alliterative,
• alliterate.

The adverb form of the word "alteration" is "alterably".

The adjective form of the word "alteration" is "alterable".

The plural of the "alteration" can be the "alterations".

The singular of the "alteration" can be the "alteration".