"combinations" in the noun sense
1. combination
a collection of things that have been combined an assemblage of separate parts or qualities
2. combination
a coordinated sequence of chess moves
3. combination
a sequence of numbers or letters that opens a combination lock
"he forgot the combination to the safe"
4. combination
a group of people (often temporary) having a common purpose
"they were a winning combination"
5. combination
an alliance of people or corporations or countries for a special purpose (formerly to achieve some antisocial end but now for general political or economic purposes)
6. combination
the act of arranging elements into specified groups without regard to order
7. combination, combining, compounding
the act of combining things to form a new whole
Source: WordNet® (An amazing lexical database of English)
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