A substance or agent that removes oxygen from another substance or prevents oxidation.
From deoxidate + -or (agent suffix). This noun parallels 'deoxidant' and refers to anything that performs deoxidation.
Deoxidators like carbon monoxide are used in steel mills worldwide—CO bonds with oxygen in molten metal more strongly than the metal does, so it essentially 'steals' the oxygen and carries it away as CO₂ gas.
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