subunits
nounUK /ˈsʌbˌjuːnɪts/
US /ˈsʌbˌjuːnɪts/
Subunits are small parts that make up a bigger thing.
The toy robot is made of many small subunits that fit together.
OTHER MEANINGS
2. Small groups that are part of a larger organization.
The company split its main office into several subunits.
3. Separate protein chains that join to form a complete protein molecule.
Hemoglobin is made of four protein subunits.
4. Smaller divisions of a military unit.
The battalion was divided into subunits for the mission.
5. Individual sections of a measurement or currency.
The meter can be broken into smaller subunits like centimeters.