- The definition of an alteration is a revision.
Remodeling a house is an example of an alteration.
- an altering or being altered
- the result of this; change
- The act or procedure of altering.
- The condition resulting from altering; modification.
- The act of altering or making different.
- The state of being altered; a change made in the form or nature of a thing; changed condition.
OriginSee also: altération
From Old French alteracion (French altération), from Medieval Latin alterātiō.