step-by-step modification
noun phraseUK /ˌstɛp baɪ ˈstɛp ˌmɒdɪfɪˈkeɪʃən/
US /ˌstɛp baɪ ˈstɛp ˌmɑːdəfəˈkeɪʃən/
A change you make one small step at a time.
The teacher showed us a step-by-step modification to fix our science project.
OTHER MEANINGS
2. A set of instructions that changes something in ordered stages.
The manual gives a step-by-step modification for the robot's code.
3. A careful edit made slowly so nothing breaks.
We did a step-by-step modification of the recipe to make it healthier.
4. A planned series of small fixes to improve a system.
The team's step-by-step modification made the game run faster.