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We found 37 dictionaries with English definitions that include the word pacemaker:
Click on the first link on a line below to go directly to a page where "pacemaker" is defined.

General (24 matching dictionaries)

1. pacemaker: American Heritage Dictionary of the English Language [home, info]
2. pacemaker: Collins English Dictionary [home, info]
3. pacemaker: Vocabulary.com [home, info]
4. Pacemaker, pacemaker: Wordnik [home, info]
5. pacemaker: Cambridge Advanced Learner's Dictionary [home, info]
6. pacemaker: Wiktionary [home, info]
7. pacemaker: Webster's New World College Dictionary, 4th Ed. [home, info]
8. pacemaker: The Wordsmyth English Dictionary-Thesaurus [home, info]
9. pacemaker: Infoplease Dictionary [home, info]
10. pacemaker: Dictionary.com [home, info]
11. pacemaker: UltraLingua English Dictionary [home, info]
12. pacemaker: Cambridge Dictionary of American English [home, info]
13. Pacemaker (disambiguation), Pacemaker (film), Pacemaker (running), Pacemaker (software), Pacemaker: Wikipedia, the Free Encyclopedia [home, info]
14. pacemaker: Rhymezone [home, info]
15. pacemaker: Free Dictionary [home, info]
16. pacemaker: Mnemonic Dictionary [home, info]
17. pacemaker: WordNet 1.7 Vocabulary Helper [home, info]
18. pacemaker: LookWAYup Translating Dictionary/Thesaurus [home, info]
19. pacemaker: Dictionary/thesaurus [home, info]
20. pacemaker: Wikimedia Commons US English Pronunciations [home, info]
21. pacemaker: Merriam-Webster.com [home, info]
22. pacemaker: Oxford Dictionaries [home, info]

Computing (1 matching dictionary)

23. pacemaker: Encyclopedia [home, info]

Medicine (10 matching dictionaries)

24. Pacemaker: MedTerms.com Medical Dictionary [home, info]
25. Pacemaker: Merck Manuals [home, info]
26. Pacemaker: MedFriendly Glossary [home, info]
27. pacemaker: online medical dictionary [home, info]
28. PACEMAKER: Probert Encyclopaedia of Medicine [home, info]
29. pacemaker: Dictionary of Cancer Terms [home, info]
30. pacemaker: Medical dictionary [home, info]
31. Pacemaker: University of Maryland Glossary of Medical Terms [home, info]
32. Pacemaker: Drug Medical Dictionary [home, info]
33. pacemaker: Hyperdictionary [home, info]

Science (1 matching dictionary)

34. pacemaker: On-Line Biology Book: GLOSSARY [home, info]

Slang (1 matching dictionary)

35. pacemaker: Urban Dictionary [home, info]

(Note: See pacemaking for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (pacemaker) ▸ noun:  an implanted electronic device that takes over the function of the natural cardiac pacemaker ▸ noun:  a specialized bit of heart tissue that controls the heartbeat ▸ noun:  a horse used to set the pace in racing ▸ noun:  a leading instance in its field ▸ Also see pacemaking ▸ Words similar to pacemaker ▸ Usage examples for pacemaker ▸ Popular adjectives describing pacemaker ▸ Words that often appear near pacemaker ▸ Rhymes of pacemaker ▸ Invented words related to pacemaker