English Word · Intermediate
UNDM
uncoupling non-driving motor
Pronunciation: say UNDM
Meaning
uncoupling non-driving motor
Example
The maintenance crew detached the UNDM from the rest of the train formation for repairs.
The maintenance crew detached the UNDM from the rest of the train formation for repairs.
Practice tips
- Practice UNDM out loud — read the pronunciation guide above and repeat.
- Use it in your own sentence today; reuse beats rereading.
- Pay attention to context: this English word is for intermediate-level learners.