combination

US /ˌkɑːm.bəˈneɪ.ʃən/
UK /ˌkɑːm.bəˈneɪ.ʃən/
"combination" picture
1.

a joining or mixing of two or more things to form a single unit or idea

:
The dish was a delicious combination of sweet and savory flavors.
Success is often a combination of hard work and luck.
2.

a sequence of numbers or letters used to open a lock or safe

:
I forgot the combination to the safe.
He tried several combinations before the lock finally opened.