combination

noun

1. (countable, uncountable)The act of combining, the state of being combined or the result of combining.

   “combinations of colors”

   “These guidelines should be followed in combination with those given last week.”

   “She took a dangerous combination of alcohol and heroin.”

2. (countable, uncountable)An object formed by combining.

   “The chef experimented with new flavor combinations.”

   “Certain drug combinations can be dangerous.”

3. (countable, uncountable)A sequence of numbers or letters used to open a combination lock.

   “The combination to their safe was the date of birth of their first child.”

4. (countable, uncountable)One or more elements selected from a set without regard to the order of selection.
5. (countable, uncountable)An association or alliance of people for some common purpose.
6. (countable, uncountable)A shot where the cue ball hits a ball that strikes another ball on the table.
7. (countable, uncountable)A motorcycle and sidecar.
8. (countable, uncountable)A rapid sequence of punches or strikes in boxing or other combat sports.
9. (countable, uncountable)An advantageous sequence of forcing or nearly forcing moves, often initiated with a sacrifice.
10. (countable, uncountable)Synonym of combinations (A one-piece suit of underwear).