Definition of "reusable"

reusable

adjective
comparative more reusable, superlative most reusable
1. Able to be used again; especially after salvaging or special treatment or processing
  Quotations
  The donor power car, owned by SR, will then be removed from Haymarket depot and disposed of. It has already been stripped of reusable components for the IC7 power cars north of the border.
  2020 March 25, “Fleet News: ScotRail to dispose of first '43' donor”, in Rail, page 30
2. (computing) (of a program) Able to be executed by several tasks without being reloaded; either reentrant or serially reusable
noun
plural reusables
1. Any product, such as a diaper, that is not disposable but can be used more than once.