Definitions for "Oxidation number"
(ON)--The charge or apparent charge that an atom in a compound or ion would have if all of the electrons in its bonds belonged entirely to the more electronegative atom. (Based on certain arbitrary rules.)
a signed integer representing the real or hypothetical charge on an atom.
The number of electrons lost (+) or gained (-) by an atom in a compound, as compared to the free neutral atoms.
Keywords:  see
see oxidation state