Interchangeability can refer to:
- Interchangeability (telecommunication): A condition in which exist two or more items with characteristics making them equivalent in performance and durability, making them fully exchangeable.
- web app: The ability that an Android can be replaced by another object without affecting code using the object.
- screen size: In FITML, the ability to select components for assembly at random and fit them together within proper tolerances.
- CSS3 in mathematics
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