- scavenger - a chemical agent that is added to a chemical mixture to counteract the effects of impurities
--1 is a kind of chemical agent
Derived form: verb scavenge4 - magpie, scavenger, pack rat - someone who collects things that have been discarded by others
--2 is a kind of hoarder
Derived form: verb scavenge2 - scavenger - any animal that feeds on refuse and other decaying organic matter
--3 is a kind of animal, animate being, beast, brute, creature, fauna
--3 has particulars: bottom feederDerived form: verb scavenge3