the act of combining or the state of being combined.

a number of things combined

a combination of ideas.

something formed by combining

A chord is a combination of notes.

an alliance of persons or parties

a combination in restraint of trade.

the set or series of numbers or letters used in setting the mechanism of a combination lock.

the parts of the mechanism operated by this.

Often, combinations. a suit of underwear in one piece.

Mathematics .

the arrangement of elements into various groups without regard to their order in the group.

a group thus formed. Compare permutation ( def. 1 ) .

noun

detachment , division , parting , separation , dissolution , disunion , severance

noun

aggregate , amalgam , amalgamation , blending , brew , coalescence , combo , composite , compound , connection , consolidation , everything but kitchen sink , fusion , junction , medley , merger , miscellany , mishmash * , mix , olio , order , sequence , solution , soup , stew , succession , synthesis , unification , union , affiliation , bloc , cabal , cahoots , camarilla , cartel , circle , clique , club , coadunation , coalition , combine , confederacy , confederation , conjunction , consortium , conspiracy , coterie , faction , federation , gang , guild , hookup , mafia , melding , mergence , merging , partnership , party , pool , ring , set , syndicate , tie-up * , trust , alliance , cooperation , conjugation , unity , association , blend , coperation , collusion , composition , composure , concoction , consort , ensemble , incorporation , key , league , lock , pact