disposal
noun /dɪˈspəʊzl/
  /dɪˈspəʊzl/
Idioms - [uncountable] the act of getting rid of something- The council is responsible for waste disposal and street cleaning.
- sewage disposal systems
- the problems of the ultimate disposal of nuclear waste
 Extra ExamplesTopics The environmentc1- The device was defused by army bomb disposal experts.
- The waste must be taken to an approved disposal facility.
 Oxford Collocations Dictionaryadjective- safe
- illegal
- ultimate
- …
 - facility
- site
- method
- …
 
- [countable] (business) the sale of part of a business, property, etc.- The next step is to think about disposal of your assets.
 
- [countable] (also garbage disposal (both North American English), waste disposal unit, waste disposer (both British English))a machine connected to the waste pipe of a kitchen sink, for cutting food waste into small pieces
Idioms 
at your/somebody’s disposal 
- available for use as you prefer/somebody prefers- He will have a car at his disposal for the whole month.
- Well, I'm at your disposal (= I am ready to help you in any way I can).