dismantlement
1. [ noun ] the act of taking something apart (as a piece of machinery)
Synonyms: disassembly dismantling
Examples:

"Russia and the US discussed the dismantling of their nuclear weapons"

Related terms: fabrication assembly activity
Similar spelling:   dismantled
  disseminate
  dismantling
  disseminative
  dissonance
  dismounted
  dissemination
  dismemberment