We found 60 dictionaries that define the word ohm:

General (26 matching dictionaries)

1. ohm: Longman Dictionary of Contemporary English
2. Ohm, ohm: Merriam-Webster
3. Ohm, ohm: Oxford Learner's Dictionaries
4. ohm: American Heritage Dictionary of the English Language
5. ohm: Collins English Dictionary
6. Ohm, ohm: Vocabulary.com
7. Ohm, ohm: Wordnik
8. ohm: Cambridge Advanced Learner's Dictionary
9. ohm: Wiktionary
10. ohm: Webster's New World College Dictionary, 4th Ed.
11. ohm: The Wordsmyth English Dictionary-Thesaurus
12. ohm: Infoplease Dictionary
13. ohm: Dictionary.com
14. ohm: Online Etymology Dictionary
15. ohm: Cambridge Essential American English Dictionary
16. OHM (band), Ohm (One Piece), Ohm (disambiguation), Ohm (river), Ohm (unit), Ohm: Wikipedia, the Free Encyclopedia
17. Ohm: Online Plain Text English Dictionary
18. ohm: Webster's Revised Unabridged, 1913 Edition
19. Ohm: Rhymezone
20. Ohm: AllWords.com Multi-Lingual Dictionary
21. Ohm, ohm: Stammtisch Beau Fleuve Acronyms
22. ohm: FreeDictionary.org
23. ohm: Mnemonic Dictionary
24. Ohm: TheFreeDictionary.com

Art (1 matching dictionary)

25. Technical Glossary of Theatre Terms (No longer online)

Business (3 matching dictionaries)

26. Construction Term Glossary (No longer online)
27. Ohm: Energy Dictionary
28. BusinessDictionary.com (No longer online)

Computing (6 matching dictionaries)

29. Ohm: Free On-line Dictionary of Computing
30. ohm: CCI Computer
31. OHM: Computer Telephony & Electronics Dictionary and Glossary
32. Webopedia (No longer online)
33. I T Glossary (No longer online)
34. Ohm (unit), ohm: Encyclopedia

Medicine (4 matching dictionaries)

35. Ohm: Merriam-Webster Medical Dictionary
36. Dorland's Illustrated Medical Dictionary (No longer online)
37. online medical dictionary (No longer online)
38. Ohm (unit), ohm: Medical dictionary

Miscellaneous (3 matching dictionaries)

39. OHM: Acronym Finder
40. OHM: Three Letter Words with definitions
41. AbbreviationZ (No longer online)

Science (4 matching dictionaries)

42. Electrochemistry Dictionary (No longer online)
43. Ohm: Eric Weisstein's World of Physics
44. General Chemistry Online (No longer online)
45. How Many? A Dictionary of Units of Measurement (No longer online)

Slang (1 matching dictionary)

46. O.H.M, ohm: Urban Dictionary

Tech (12 matching dictionaries)

47. ohm: Webster's New World Telecom Dictionary
48. ohm: Electronics
49. ohm: Glossary of Related Solar Power Terms
50. AUTOMOTIVE TERMS (No longer online)
51. ohm: Solar Electric Glossary
52. Energy Terms (No longer online)
53. Explosives (No longer online)
54. Glossary of video terms (No longer online)
55. Ohm: Data Acquisition
56. Rane Professional Audio Reference (No longer online)
57. Sweetwater Music (No longer online)
58. OHM: Power Engineering

(Note: See ohmic as well.)

Definitions from Wiktionary ( ) ▸ noun:  In the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere. Symbol: Ω Similar: georg simon ohm, electrical resistance, resistivity, statohm, siemens, Ohm's law, ohmic resistance, volt, specific resistance, impedance, more... Opposite: siemens, conductance, admittance Types: megohm, kilohm, more... Phrases: ohm meter, international ohm, Georg Ohm, reciprocal ohm, acoustic ohm, more... Adjectives: international, legal, standard, reciprocal, german, absolute, generalized, mechanical, true, internal, mile Colors:     silver,     gold,     black,     brown,     red, more... ▸ Word origin ▸ Words similar to ohm ▸ Usage examples for ohm ▸ Idioms related to ohm ▸ Wikipedia articles (New!) ▸ Popular adjectives describing ohm ▸ Words that often appear near ohm ▸ Rhymes of ohm ▸ Invented words related to ohm