See more synonyms for oxidize on Thesaurus.com
verb (used with object), ox·i·dized, ox·i·diz·ing.
  1. to convert (an element) into an oxide; combine with oxygen.
  2. to cover with a coating of oxide or rust.
  3. to take away hydrogen, as by the action of oxygen; add oxygen or any nonmetal.
  4. to remove electrons from (an atom or molecule), thereby increasing the valence.Compare reduce(def 12).
verb (used without object), ox·i·dized, ox·i·diz·ing.
  1. to become oxidized.
  2. (especially of white wine) to lose freshness after prolonged exposure to air and often to darken in color.
Also especially British, ox·i·dise.

Origin of oxidize

First recorded in 1795–1805; oxide + -ize
Related formsox·i·diz·a·ble, ox·i·da·ble [ok-si-duh-buh l] /ˈɒk sɪ də bəl/, adjectiveox·i·diz·a·bil·i·ty, nounan·ti·ox·i·diz·ing, adjectivehalf-ox·i·dized, adjectivenon·ox·i·diz·a·ble, adjectivenon·ox·i·diz·ing, adjectiveo·ver·ox·i·dize, verb o·ver·ox·i·dized, o·ver·ox·i·diz·ing.re·ox·i·dize, verb, re·ox·i·dized, re·ox·i·diz·ing.un·der·ox·i·dize, verb (used with object), un·der·ox·i·dized, un·der·ox·i·diz·ing.un·ox·i·diz·a·ble, adjectiveun·ox·i·dized, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for oxidize

heat, burn, rust, corrode

Examples from the Web for oxidize

Contemporary Examples of oxidize

Historical Examples of oxidize

British Dictionary definitions for oxidize



  1. to undergo or cause to undergo a chemical reaction with oxygen, as in formation of an oxide
  2. to form or cause to form a layer of metal oxide, as in rusting
  3. to lose or cause to lose hydrogen atoms
  4. to undergo or cause to undergo a decrease in the number of electronsCompare reduce (def. 12c)
Derived Formsoxidization or oxidisation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for oxidize

1802 (implied in oxidizable), from oxide + -ize. Related: Oxidized; oxidizing; oxidization.

Online Etymology Dictionary, © 2010 Douglas Harper

oxidize in Medicine


  1. To combine with oxygen; change into an oxide.
  2. To increase the positive charge or valence of an element by removing electrons.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

oxidize in Science


  1. To undergo or cause to undergo oxidation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.