validcombination

noun
UK /ˈvælɪd ˌkɒmbɪˈneɪʃən/
US /ˈvælɪd ˌkɑːmbəˈneɪʃən/

A valid combination is a set of things put together in a way that is allowed and works well.

The puzzle is solved when you find a valid combination of the three shapes.


OTHER MEANINGS

2. In security, a valid combination is the correct sequence of numbers that opens a lock.

Only the valid combination opens the safe.

3. In games, a valid combination is a set of cards or pieces that follows the rules.

She laid down a valid combination of three matching cards.

4. In math, a valid combination is a group of items chosen so that the rules of the problem are met.

The teacher asked for a valid combination of two colors from the list.