fine-tune
verbUK /ˌfaɪnˈtjuːn/
US /ˌfaɪnˈtuːn/
To make small changes to something so it works better.
She fine-tuned her bike so it rode more smoothly.
RELATED WORDS
OTHER MEANINGS
2. To make small adjustments to a musical instrument so it sounds just right.
He fine-tuned the guitar before the concert.
3. To improve a plan or idea by making small careful changes.
The team fine-tuned their project plan before starting.
4. To adjust a machine or device for the best performance.
The engineer fine-tuned the engine for better fuel use.
5. To make small changes to a computer program or model to improve it.
They fine-tuned the app to fix small bugs.