Scavenger
WordNet

noun


(1)   Any animal that feeds on refuse and other decaying organic matter
(2)   Someone who collects things that have been discarded by others
(3)   A chemical agent that is added to a chemical mixture to counteract the effects of impurities
WiktionaryText

Noun



  1. A street sweeper.
  2. Someone who scavenges, especially one who searches through rubbish for food or useful things.
  3. An animal that feeds on decaying matter such as carrion.
  4. A substance used to remove impurities from the air or from a solution.
 
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