combination

combination /ˌkɑːmbəˈneɪʃən/ noun
plural combinations
combination
/ˌkɑːmbəˈneɪʃən/
noun
plural combinations
Britannica Dictionary definition of COMBINATION
1 
[count] : a result or product of combining two or more things or people
2 
: an act of combining two or more things
[count]
[noncount]
3 
[count] : a particular series of numbers or letters that is used to open a lock
4 
— used before a noun to describe something that can be used in more than one way