interchangeablepieces
nounUK /ˌɪntəˈtʃeɪndʒəbəl ˈpiːsɪz/
US /ˌɪntərˈtʃeɪndʒəbəl ˈpiːsɪz/
These are parts that can be swapped with each other because they fit the same way.
The toy car set has interchangeable pieces, so you can put the red wheels on any car.
RELATED WORDS
OTHER MEANINGS
2. Parts of a game or puzzle that can be used in place of one another.
The puzzle has interchangeable pieces, so a missing piece can be replaced.
3. Machine or tool parts that are made to the same size so they can be swapped.
The drill uses interchangeable pieces for different screw sizes.
4. Building blocks that connect in many ways to make different things.
With interchangeable pieces, the kids built a house and then a bridge.