See also our frequently asked questions.from Middle French reducion (13c., Modern French réduction) and directly from Latin reductionem (nominative reductio) "a leading back, restoration noun of action from past participle stem of reducere (see reduce ).Note that copper has changed from Cu2 (in Cu O ) to Cu (s) and so has gained electrons.

O xidation means losing electrons and reduction means gaining electrons.More related words FOR reduction, roget's 21st Century Thesaurus, Third Edition Copyright 2013 by the Philip Lief Group.

Copper is said to be reduced.Reduction Revolution is an online store which specialises in energy efficiency.