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We found 98 dictionaries with English definitions that include the word virus:
Click on the first link on a line below to go directly to a page where "virus" is defined.

General (32 matching dictionaries)

1. virus: Merriam-Webster.com [home, info]
2. virus: Oxford Learner's Dictionaries [home, info]
3. virus: American Heritage Dictionary of the English Language [home, info]
4. virus: Collins English Dictionary [home, info]
5. virus: Vocabulary.com [home, info]
6. virus: Macmillan Dictionary [home, info]
7. Virus, virus: Wordnik [home, info]
8. virus: Cambridge Advanced Learner's Dictionary [home, info]
9. virus: Wiktionary [home, info]
10. virus: Webster's New World College Dictionary, 4th Ed. [home, info]
11. virus: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. virus: Infoplease Dictionary [home, info]
13. -virus, virus: Dictionary.com [home, info]
14. virus: Online Etymology Dictionary [home, info]
15. virus: UltraLingua English Dictionary [home, info]
16. virus: Cambridge Dictionary of American English [home, info]
17. The ViRUS, The Virus (TV series), The Virus (XM), The Virus (album), The Virus (band), The Virus, Virus (Argentine band), Virus (Big Boy album), Virus (British band), Virus (Heavenly album), Virus (How About Now), Virus (Hypocrisy album), Virus (Iron Maiden song), Virus (KMFDM song), Virus (Malayalam film), Virus (Norwegian band), Virus (Russian band), Virus (Spirou et Fantasio), Virus (automobile), Virus (biology), Virus (clothing), Virus (comics), Virus (computer), Virus (computer game), Virus (computing), Virus (disambiguation), Virus (film), Virus (musician), Virus (novel), Virus (song), Virus (video game), Virus (wrestler), Virus: Wikipedia, the Free Encyclopedia [home, info]
18. Virus: Online Plain Text English Dictionary [home, info]
19. virus: Webster's Revised Unabridged, 1913 Edition [home, info]
20. virus: Rhymezone [home, info]
21. Virus (m), virus, virus, virus, virus (het): AllWords.com Multi-Lingual Dictionary [home, info]
22. virus: Webster's 1828 Dictionary [home, info]
23. virus: Stammtisch Beau Fleuve Acronyms [home, info]
24. Virus, Virus: Encarta® Online Encyclopedia, North American Edition [home, info]
25. virus: Free Dictionary [home, info]
26. virus: Mnemonic Dictionary [home, info]
27. virus: WordNet 1.7 Vocabulary Helper [home, info]
28. virus: LookWAYup Translating Dictionary/Thesaurus [home, info]
29. virus: Dictionary/thesaurus [home, info]
30. virus (m): AllWords.com Multi-Lingual Dictionary [home, info]

Art (2 matching dictionaries)

31. Virus: Glossary of Binary Graphics [home, info]
32. virus: ODLIS: Online Dictionary of Library and Information Science [home, info]

Business (6 matching dictionaries)

33. virus: Webster's New World Finance & Investment Dictionary [home, info]
34. virus: Travel Industry Dictionary [home, info]
35. Virus: E-Commerce and Marketing Dictionary of Terms [home, info]
36. Virus: Broadcast Media Terms [home, info]
37. Virus (biological), Virus (biology), Virus, virus: Legal dictionary [home, info]
38. virus: BusinessDictionary.com [home, info]

Computing (15 matching dictionaries)

39. virus: Webster's New World Hacker Dictionary [home, info]
40. virus: Free On-line Dictionary of Computing [home, info]
41. virus: Netlingo [home, info]
42. virus: CCI Computer [home, info]
43. virus: Computer Telephony & Electronics Dictionary and Glossary [home, info]
44. virus: Glossary of Internet Terms [home, info]
45. Virus: Tech Terms Computer Dictionary [home, info]
46. Virus: ILC Internet Terms [home, info]
47. Virus, Virus: Internet Terms [home, info]
48. virus: Webopedia [home, info]
49. virus: Hacking Lexicon [home, info]
50. Virus: Data Formats and Their Sugggested File Extensions [home, info]
51. virus: I T Glossary [home, info]
52. Virus: Technopedia [home, info]
53. Virus (biological), Virus (biology), Virus (computer), Virus (computing), Virus, virus: Encyclopedia [home, info]

Medicine (24 matching dictionaries)

54. Virus: MedTerms.com Medical Dictionary [home, info]
55. Virus: AIDSinfo Glossary [home, info]
56. virus: Breast Cancer Talking Dictionary [home, info]
57. virus: Johnson Bwby [home, info]
58. Virus: Merck Manuals [home, info]
59. virus: online medical dictionary [home, info]
60. Virus: Cancer Glossary [home, info]
61. Virus: Health and Wellness Dictionary [home, info]
62. Virus: Hair Facts [home, info]
63. Virus: Hypermedia Glossary Of Genetic Terms [home, info]
64. Virus: Allergy Glossary [home, info]
65. Virus: KidsHealth Glossary of Medical Words [home, info]
66. virus: Multiple Sclerosis Encyclopaedia [home, info]
67. Virus: AIDS Medical Glossary and Drug Chart [home, info]
68. virus: Dictionary of Cancer Terms [home, info]
69. Virus: National Immunization Program Glossary [home, info]
70. virus: Parents' Common Sense Encyclopedia [home, info]
71. Virus: Microbial Genetics Glossary [home, info]
72. virus: Glossary of HIV/AIDS Related Terms [home, info]
73. Virus: A-Z Family health glossary [home, info]
74. Virus (biological), Virus (biology), Virus, -virus, virus: Medical dictionary [home, info]
75. Virus: All About Hepatitis C [home, info]
76. Virus: Drug Medical Dictionary [home, info]
77. virus: Hyperdictionary [home, info]

Miscellaneous (3 matching dictionaries)

78. VIRUS: Acronym Finder [home, info]
79. VIRUS: AbbreviationZ [home, info]
80. virus: Wordcraft Dictionary [home, info]

Science (8 matching dictionaries)

81. Virus: Drug Discovery and Development [home, info]
82. Virus: Biology dictionary [home, info]
83. Virus: DOE Genome Glossary [home, info]
84. Virus: Biological Control [home, info]
85. virus: Evolution Glossary [home, info]
86. Virus: Fishkeeping glossary [home, info]
87. Virus: AGRICULTURAL AND ENVIRONMENTAL BIOTECHNOLOGY [home, info]
88. virus: FOLDOP - Free On Line Dictionary Of Philosophy [home, info]

Slang (2 matching dictionaries)

89. the virus: American-Australian Slang Dictionary [home, info]
90. The Virus: Urban Dictionary [home, info]

Tech (6 matching dictionaries)

91. virus: Webster's New World Telecom Dictionary [home, info]
92. Virus: Dairy Glossary [home, info]
93. VIRUS: Lake and Water Word Glossary [home, info]
94. virus: Rane Professional Audio Reference [home, info]
95. VIRUS: Space and Electronic Warfare Lexicon [home, info]
96. Virus: Web Hosting Glossary [home, info]

(Note: See viruss for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (virus) ▸ noun:  (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein ▸ noun:  a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer ("A true virus cannot spread to another computer without human assistance") ▸ noun:  a harmful or corrupting agency ("Bigotry is a virus that must not be allowed to spread") ▸ Also see viruss ▸ Word origin ▸ Words similar to virus ▸ Usage examples for virus ▸ Idioms related to virus (New!) ▸ Popular adjectives describing virus ▸ Words that often appear near virus ▸ Rhymes of virus ▸ Invented words related to virus