scavengers >> ˈskavɪn(d)ʒə
Definition: [noun] an animal that feeds on carrion, dead plant material, or refuse.
Example: carcasses are usually quickly disposed of by scavengers
Definition: [noun] a person who searches for and collects discarded items.
Example: a reputation as a scavenger of discarded odds and ends
Definition: [noun] a person employed to clean the streets.
Definition: [noun] a substance that reacts with and removes particular molecules, groups, etc.
Example: 4-aminosalicylic acid is not an effective free radical scavenger