Definition of "reusable" []

• Able to be used again; especially after salvaging or special treatment or processing (adjective)
• (of a program) Able to be executed by several tasks without being reloaded; either reentrant or serially reusable (adjective)

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• "The Lunar Lander Challenge is a prize competition designed to accelerate technology developments in reusable rocket-powered vehicles including vehicles capable of ferrying cargo or humans between lunar orbit and the lunar surface as well as future Earth launch vehicles or other rocket-powered vehicles."
• "That's exactly why they're interested in reusable vehicles, and why they're so dangerous."
• "Take your lunch in reusable containers rather than plastic bags."