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We found 21 dictionaries with English definitions that include the word lengthening: Click on the first link on a line below to go directly to a page where "lengthening" is defined. General (18 matching dictionaries) lengthening: Collins English Dictionary [home, info] lengthening: Vocabulary.com [home, info] lengthening: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Lengthening, lengthening: Wordnik [home, info] lengthening: Cambridge Advanced Learner's Dictionary [home, info] lengthening: Wiktionary [home, info] Lengthening, lengthening: Dictionary.com [home, info] lengthening: UltraLingua English Dictionary [home, info] lengthening: Cambridge Dictionary of American English [home, info] Lengthening: Online Plain Text English Dictionary [home, info] lengthening: Rhymezone [home, info] Lengthening: AllWords.com Multi-Lingual Dictionary [home, info] lengthening: Webster's 1828 Dictionary [home, info] lengthening: Free Dictionary [home, info] lengthening: Mnemonic Dictionary [home, info] lengthening: WordNet 1.7 Vocabulary Helper [home, info] lengthening: LookWAYup Translating Dictionary/Thesaurus [home, info] lengthening: Dictionary/thesaurus [home, info] Business (1 matching dictionary) lengthening: Legal dictionary [home, info] Computing (1 matching dictionary) lengthening: Encyclopedia [home, info] Medicine (1 matching dictionary) lengthening: Medical dictionary [home, info] (Note: See lengthen for more definitions.)

Quick definitions from WordNet (lengthening) ▸ noun:  the act of prolonging something ▸ Also see lengthen