Noun combination has 7 senses
  1. combination - a collection of things that have been combined; an assemblage of separate parts or qualities
    --1 is a kind of
    collection, aggregation, accumulation, assemblage
    --1 has particulars: amalgam; color scheme, colour scheme; complexion
    Derived forms: verb combine6, verb combine1, verb combine7
  2. combination - a coordinated sequence of chess moves
    --2 is a kind of
  3. combination - a sequence of numbers or letters that opens a combination lock; "he forgot the combination to the safe"
    --3 is a kind of
  4. combination - a group of people (often temporary) having a common purpose; "they were a winning combination"
    --4 is a kind of
    unit, social unit
    Derived forms: verb combine5, verb combine6
  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)
    --5 is a kind of
    alliance, coalition, alignment, alinement
    --5 has particulars: combination in restraint of trade
    Derived forms: verb combine5, verb combine6
  6. combination - the act of arranging elements into specified groups without regard to order
    --6 is a kind of
    mathematical process, mathematical operation, operation
    Derived forms: verb combine6, verb combine1
  7. combination, combining, compounding - the act of combining things to form a new whole
    --7 is a kind of change of integrity
    --7 has particulars:
     attachment, affixation; confusion; mix, commixture, admixture, mixture, intermixture, mixing; fusion; blend, blending; interspersion, interspersal; temperance; union, unification, uniting, conjugation, jointure; consolidation, integration