twincomponent
nounUK /ˌtwɪn.kəmˈpəʊ.nənt/
US /ˌtwɪn.kəmˈpoʊ.nənt/
A twincomponent is one of two parts that go together to make a whole thing.
The toy car has a twincomponent for each wheel so it can roll.
OTHER MEANINGS
2. Either of two identical units designed to work as a matched set.
The speakers are sold as a twincomponent system.
3. A chemical or mechanical part that exists in a mirrored pair.
Each twincomponent of the molecule fits into the other.
4. One of two linked software modules that must be installed together.
The app needs its twincomponent to run properly.