subproblem
nounUK /ˈsʌbˌprɒbləm/
US /ˈsʌbˌprɑːbləm/
A subproblem is a smaller problem that is part of a bigger problem.
Before solving the whole puzzle, she worked on each subproblem one at a time.
OTHER MEANINGS
2. In computer science, a smaller problem created when a large problem is divided to solve it more easily.
The algorithm solves each subproblem and stores the answer to save time.
3. A secondary or less important issue within a main discussion or plan.
The budget was the main topic, and parking was just a subproblem.
4. A question that must be answered before the main question can be answered.
Finding the right formula was a subproblem of the whole math assignment.