An Etymological Dictionary of Astronomy and Astrophysics
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The combination of → oxygen with a substance, or the removal of → hydrogen from it.

Verbal noun of → oxidize.

The total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom. In other words, the charge that atom would have if the compound was composed of ions. The oxidation number of an atom is zero in a neutral substance that contains atoms of only one element. Same as → oxidation state.

→ oxidation; → number.

Same as → oxidation number.

→ oxidation; → state.