concatenation

noun

1. 1

   the act of linking together as in a series or chain

2. 2

   a series of things depending on each other as if linked together

   the chain of command

   a complicated concatenation of circumstances

3. 3

   the linking together of a consecutive series of symbols or events or ideas etc

   it was caused by an improbable concatenation of circumstances

4. 4

   the state of being linked together as in a chain; union in a linked series