tear down

Short definition from Wiktionary

Verb

1. 1
   To demolish.
2. 2
   To open and disassemble (a device or machine) to inspect, showcase, or refurbish its components.
3. 3
   To degrade (someone): to discredit or criticize.
4. 4
   To move at high speed along.

Noun

1. 1
   Alternative spelling of teardown.