View your list of saved words. (You can log in using Facebook.)
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.
Definition of OXIDATION STATE
: a positive or negative number that represents the effective charge of an atom or element and that indicates the extent or possibility of its oxidation <the usual oxidation state of sodium is +1 and of oxygen −2> —called also oxidation number