- To remove oxygen from (a compound); reduce.
- To deoxidate. Also spelled <em>deoxidise, deoxydize.</em>
- To deprive of oxygen; to reduce from the state of an oxide.
- (<xref>chemistry</xref>) To remove <xref>oxygen</xref> from.
- to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons