recycle

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To put or pass through a cycle again; reuse in a cycle.
• intransitive verb To extract useful materials from (garbage or waste).
• intransitive verb To extract and reuse (useful substances found in waste).
• intransitive verb To use again.
• intransitive verb To recondition and adapt to a new use or function.
• intransitive verb To recycle waste materials.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb transitive To break down and reuse component materials.
• verb transitive To reuse as a whole.
• verb transitive To collect or place in a bin for recycling.
• verb intransitive, ergative To be recycled.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb cause to repeat a cycle
• verb use again after processing