self-constructing unit
nounUK /ˌself kənˈstrʌktɪŋ ˈjuːnɪt/
US /ˌself kənˈstrʌktɪŋ ˈjuːnɪt/
A thing that can build itself all by itself.
The toy robot is a self-constructing unit that puts itself together when you press the button.
RELATED WORDS
OTHER MEANINGS
2. A building or structure made of parts that fit together to form itself.
The shelter was a self-constructing unit that unfolded into a small house.
3. A machine or device that puts its own pieces together without help.
Engineers tested a self-constructing unit that snaps its own parts into place.
4. A small part of a system that can copy and build itself.
Each self-constructing unit in the set can grow into a bigger shape.