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List phrases that spell out OS 

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We found 69 dictionaries with English definitions that include the word OS:
Click on the first link on a line below to go directly to a page where "OS" is defined.

General dictionaries General (32 matching dictionaries)
  1. OS, Os, -os, o's, os: Merriam-Webster.com [home, info]
  2. OS, OS, O's, Os, Os, Os, o.s, os, os: Oxford Learner's Dictionaries [home, info]
  3. OS, Os, o.s, os, os, os: American Heritage Dictionary of the English Language [home, info]
  4. O's, o.s, os: Collins English Dictionary [home, info]
  5. OS, Os, os: Vocabulary.com [home, info]
  6. OS: Macmillan Dictionary [home, info]
  7. O'S, OS, O's, O.'s, O.s, O.s, Os, Os, o's, os, oS: Wordnik [home, info]
  8. OS, o's, os: Cambridge Advanced Learner's Dictionary [home, info]
  9. O.S, OS, O's, -os, -os-, o's, o.s, os: Wiktionary [home, info]
  10. o.s, os: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. Os, os: The Wordsmyth English Dictionary-Thesaurus [home, info]
  12. os: Infoplease Dictionary [home, info]
  13. Os, o's, o.s, os: Dictionary.com [home, info]
  14. os: UltraLingua English Dictionary [home, info]
  15. os: Cambridge Dictionary of American English [home, info]
  16. OS, O.s, Os (Fringe), Os: Wikipedia, the Free Encyclopedia [home, info]
  17. O's, Os: Online Plain Text English Dictionary [home, info]
  18. os: Webster's Revised Unabridged, 1913 Edition [home, info]
  19. os: Rhymezone [home, info]
  20. O's, Os, os (m): AllWords.com Multi-Lingual Dictionary [home, info]
  21. O.S, OS, Os, o.s: Stammtisch Beau Fleuve Acronyms [home, info]
  22. os: Hutchinson's Dictionary of Difficult Words [home, info]
  23. os: Free Dictionary [home, info]
  24. os: Hutchinson Dictionaries [home, info]
  25. os: Luciferous Logolepsy [home, info]
  26. os: Mnemonic Dictionary [home, info]
  27. os: WordNet 1.7 Vocabulary Helper [home, info]
  28. OS, Os, os: LookWAYup Translating Dictionary/Thesaurus [home, info]
  29. Os, o's, o.s: Dictionary/thesaurus [home, info]
  30. os(e): AllWords.com Multi-Lingual Dictionary [home, info]

Art dictionaries Art (3 matching dictionaries)
  1. os-, os-: A Cross Reference of Latin and Greek Elements [home, info]
  2. O.S: Glossary of Stamp Collecting Terms [home, info]
  3. OS: ODLIS: Online Dictionary of Library and Information Science [home, info]

Business dictionaries Business (3 matching dictionaries)
  1. OS: Travel Industry Dictionary [home, info]
  2. os: Legal dictionary [home, info]
  3. o's, os: Financial dictionary [home, info]

Computing dictionaries Computing (10 matching dictionaries)
  1. OS: Free On-line Dictionary of Computing [home, info]
  2. OS: Netlingo [home, info]
  3. OS: CCI Computer [home, info]
  4. OS: Technology Terms and Acronyms [home, info]
  5. OS: BABEL: Computer Oriented Abbreviations and Acronyms [home, info]
  6. OS: Computer Telephony & Electronics Dictionary and Glossary [home, info]
  7. OS: Hacking Lexicon [home, info]
  8. OS: SMS Dictionary [home, info]
  9. OS: I T Glossary [home, info]
  10. Os, o's, o.s: Encyclopedia [home, info]

Medicine dictionaries Medicine (5 matching dictionaries)
  1. OS (lens prescription), Os: MedTerms.com Medical Dictionary [home, info]
  2. OS, os: online medical dictionary [home, info]
  3. os: Neurotrauma Glossary [home, info]
  4. O.S, Os, -os, o's, o.s: Medical dictionary [home, info]
  5. OS (lens prescription), Os: Drug Medical Dictionary [home, info]

Miscellaneous dictionaries Miscellaneous (6 matching dictionaries)
  1. Os: baby names list [home, info]
  2. OS, OS, OS: Terminology and Descriptions of Geneaological Words [home, info]
  3. OS: Genealogy Glossary [home, info]
  4. OS-, OS: Acronym Finder [home, info]
  5. os, os: A Word A Day [home, info]
  6. OS: AbbreviationZ [home, info]

Science dictionaries Science (3 matching dictionaries)
  1. os: Dictionary of Botanical Epithets [home, info]
  2. OS, Os: A Dictionary of Quaternary Acronyms and Abbreviations [home, info]
  3. Os: WebElements Periodic Table of the Elements [home, info]

Slang dictionaries Slang (2 matching dictionaries)
  1. Os: Street Terms: Drugs and the Drug Trade [home, info]
  2. O.S, OS, OS, O's, o.s: Urban Dictionary [home, info]

Tech dictionaries Tech (5 matching dictionaries)
  1. os: Webster's New World Telecom Dictionary [home, info]
  3. OS: AUTOMOTIVE TERMS [home, info]
  4. OS: DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations [home, info]
  5. OS: Sweetwater Music [home, info]

(Note: See ossa for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (os)

noun:  a mouth or mouthlike opening
noun:  rigid connective tissue that makes up the skeleton of vertebrates
noun:  the left eye
noun:  (computer science) software that controls the execution of computer programs and may provide various services
noun:  a hard brittle blue-gray or blue-black metallic element that is one of the platinum metals; the heaviest metal known

▸ Also see ossa

Words similar to OS

Usage examples for OS

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Popular adjectives describing OS

Words that often appear near OS

Rhymes of OS

Invented words related to OS

Phrases that include OS:   os hyoideum, os sphenoidale, os palatinum, os capitatum, os scaphoideum, more...

Words similar to OS:   bone, o, ora, osmium, ossa, atomic number 76, operating system, more...

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