In mathematics, a combination is a selection of items from a set that has distinct members, such that the order of selection does not matter (unlike permutations).

The meaning of COMBINATION is a result or product of combining; especially : an alliance of individuals, corporations, or states united to achieve a social, political, or economic end.

When the order doesn't matter, it is a Combination. When the order does matter it is a Permutation. So, we should really call this a "Permutation Lock"! In other words: A Permutation is an ordered …

Definition of combination noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

COMBINATION definition: the act of combining or the state of being combined. See examples of combination used in a sentence.

Aug 1, 2025 · Basically, it shows how many different possible subsets can be made from the larger set. For this calculator, the order of the items chosen in the subset does not matter. There are n! ways of …

COMBINATION definition: 1. the mixture you get when two or more things are combined: 2. an arrangement in a particular…. Learn more.

com•bi•na•tion (ˌkɒm bəˈneɪ ʃən) n. 1. the act of combining or the state of being combined. 2. a number of things combined; mixture: a combination of ideas. 3. something formed by combining: A chord is a …

Jul 23, 2025 · Different groups that can be formed by choosing r things from a given set of n different things, ignoring their order of arrangement, are called combinations of n things taken r at a time. The …

Combinations are selections made by taking some or all of a number of objects, irrespective of their arrangements. The number of combinations of n different things taken r at a time, denoted by nCr. …