concatenation

Noun

  1. the state of being linked together as in a chain; union in a linked series
  2. the linking together of a consecutive series of symbols or events or ideas etc; “it was caused by an improbable concatenation of circumstances”
  3. a series of things depending on each other as if linked together; “the chain of command”; “a complicated concatenation of circumstances”
  4. the act of linking together as in a series or chain