scavenger

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scavenger

1. any animal that feeds on decaying organic matter, esp on refuse
2. a substance added to a chemical reaction or mixture to counteract the effect of impurities
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

scavenger

[′skav·ən·jər]
(chemistry)
A substance added to a mixture or other system to remove or inactivate impurities. Also known as getter.
(ecology)
An organism that feeds on carrion, refuse, and similar matter.
(metallurgy)
A reactive metal added to a molten metal to combine with and remove dissolved gases.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The programme also includes skill development training up to two years for manual scavengers with a stipend of Rs 3,000 per month.
Ismail, who belongs to Punjab, said workers had captured scavengers on many occasions and handed them over to the PDA staff to take action against them but burglars were still on the rampage.
Sreypich said on Monday that she and other scavenger families at the Choeung Ek dumpsite had known Ricketson for seven years - 17 families had received his support.
ua Despite the ban, India has 53,236 documented "manual scavengers" who handle human waste from latrines or sewers.
She said poisoned carcasses might result in the extinction of some wild animals and scavengers.
"There is a lot about of research highlighting the negative impacts of predators and scavengers, and we are only just now beginning to understand the potentially irreplaceable services that these animals can provide human societies," paper co-author James Watson said in the WCS statement.
The United Nations Environmental Programme (UNEP) [11] established that scavengers may suffer from respiratory disorders due to protracted exposure to smoke from fires and dust from the waste dumpsite.
These scavengers, Vincent says, came to Kerala at a time when there were dry toilets and no one else was willing to clean them.
In 1993, Wilson launched the Safai Karmachari Andolan (SKA), and as the organization's national convenor, he lobbied with the Indian government for scholarships for scavengers' children and organized vocational training for female scavengers.
On the medical front, child scavengers are frequently faced with bruises, cuts, respiratory and skin illness.
This trash attracts scavengers, animals that eat decaying material.