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We found 27 dictionaries with English definitions that include the word heart block: Click on the first link on a line below to go directly to a page where "heart block" is defined. General (16 matching dictionaries) heart block: American Heritage Dictionary of the English Language [home, info] heart block: Collins English Dictionary [home, info] heart block: Vocabulary.com [home, info] heart block: Merriam-Webster's Online Dictionary, 11th Edition [home, info] heart-block: Wordnik [home, info] heart block: The Wordsmyth English Dictionary-Thesaurus [home, info] heart block: Infoplease Dictionary [home, info] heart block: Dictionary.com [home, info] heart block: UltraLingua English Dictionary [home, info] Heart block: Wikipedia, the Free Encyclopedia [home, info] heart block: Rhymezone [home, info] heart block: Free Dictionary [home, info] heart block: Mnemonic Dictionary [home, info] heart block: WordNet 1.7 Vocabulary Helper [home, info] heart block: LookWAYup Translating Dictionary/Thesaurus [home, info] heart block: Dictionary/thesaurus [home, info] Business (2 matching dictionaries) heart block: Legal dictionary [home, info] heart block: Financial dictionary [home, info] Computing (1 matching dictionary) heart block: Encyclopedia [home, info] Medicine (8 matching dictionaries) Heart block: MedTerms.com Medical Dictionary [home, info] Heart Block: Medical Dictionary [home, info] Heart block: Merck Manuals [home, info] heart block: online medical dictionary [home, info] Heart Block: Specific Diseases/Disorders [home, info] heart block: Medical dictionary [home, info] Heart block: Drug Medical Dictionary [home, info] heart block: Hyperdictionary [home, info]

Quick definitions from WordNet (heart block) ▸ noun:  recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat