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We found 40 dictionaries with English definitions that include the word hardening: Click on the first link on a line below to go directly to a page where "hardening" is defined. General (25 matching dictionaries) hardening: American Heritage Dictionary of the English Language [home, info] hardening: Collins English Dictionary [home, info] hardening: Vocabulary.com [home, info] hardening: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Hardening, hardening: Wordnik [home, info] hardening: Cambridge Advanced Learner's Dictionary [home, info] hardening: Wiktionary [home, info] hardening: Webster's New World College Dictionary, 4th Ed. [home, info] hardening: Infoplease Dictionary [home, info] hardening: Dictionary.com [home, info] hardening: UltraLingua English Dictionary [home, info] hardening: Cambridge Dictionary of American English [home, info] Hardening (computing), Hardening (disambiguation), Hardening (metallurgy), Hardening: Wikipedia, the Free Encyclopedia [home, info] Hardening: Online Plain Text English Dictionary [home, info] hardening: Webster's Revised Unabridged, 1913 Edition [home, info] hardening: Rhymezone [home, info] Hardening: AllWords.com Multi-Lingual Dictionary [home, info] hardening: Webster's 1828 Dictionary [home, info] hardening: Free Dictionary [home, info] hardening: Mnemonic Dictionary [home, info] hardening: WordNet 1.7 Vocabulary Helper [home, info] hardening: LookWAYup Translating Dictionary/Thesaurus [home, info] hardening: Dictionary/thesaurus [home, info] Art (1 matching dictionary) Hardening: Glossary of Stamp Collecting Terms [home, info] Business (5 matching dictionaries) Hardening: bizterms.net [home, info] Hardening: Construction Term Glossary [home, info] Hardening: Investopedia [home, info] hardening: Legal dictionary [home, info] hardening: BusinessDictionary.com [home, info] Computing (3 matching dictionaries) hardening: Computer Telephony & Electronics Dictionary and Glossary [home, info] Hardening: Technopedia [home, info] hardening: Encyclopedia [home, info] Medicine (1 matching dictionary) hardening: Medical dictionary [home, info] Miscellaneous (1 matching dictionary) hardening: Idioms [home, info] Science (1 matching dictionary) hardening: Botanical Terms [home, info] Tech (3 matching dictionaries) HARDENING: Metal Terminology [home, info] Hardening: AUTOMOTIVE TERMS [home, info] Hardening: Glossary of Fastener Terms [home, info] (Note: See harden for more definitions.)

Quick definitions from WordNet (hardening) ▸ noun:  the act of making something harder (firmer or tighter or more compact) ▸ noun:  the process of becoming hard or solid by cooling or drying or crystallization ("The hardening of concrete") ▸ noun:  abnormal hardening or thickening of tissue ▸ Also see harden