chiefpowerunit
nounUK /tʃiːf ˈpaʊə ˈjuːnɪt/
US /tʃiːf ˈpaʊər ˈjuːnɪt/
The main part that makes a machine or group work.
The chiefpowerunit of the robot is its big motor.
RELATED WORDS
OTHER MEANINGS
2. The most important person or thing that gives energy to a team.
The coach is the chiefpowerunit of our soccer team.
3. The biggest source of electricity in a building or vehicle.
The chiefpowerunit for the whole school is in the basement.
4. The main part of a system that makes everything else run.
The sun acts like the chiefpowerunit of our solar system.