Usually means: Essential element for life, combustion.
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We found 58 dictionaries that define the word oxygen:

General (28 matching dictionaries)
  1. oxygen: Longman Dictionary of Contemporary English
  2. oxygen: Merriam-Webster
  3. oxygen: Oxford Learner's Dictionaries
  4. oxygen: American Heritage Dictionary of the English Language
  5. oxygen: Collins English Dictionary
  6. oxygen: Vocabulary.com
  7. Oxygen, oxygen: Wordnik
  8. oxygen: Cambridge Advanced Learner's Dictionary
  9. oxygen: Wiktionary
  10. oxygen: Webster's New World College Dictionary, 4th Ed.
  11. oxygen: The Wordsmyth English Dictionary-Thesaurus
  12. oxygen: Infoplease Dictionary
  13. oxygen: Dictionary.com
  14. oxygen: Online Etymology Dictionary
  15. oxygen: Cambridge Essential American English Dictionary
  16. Oxygen (Austin Mahone EP), Oxygen (Avalon album), Oxygen (Doctor Who), Oxygen (Lincoln Brewster album), Oxygen (Miller novel), Oxygen (Swans EP), Oxygen (TV channel), Oxygen (TV network), Oxygen (Varga album), Oxygen (Wild Orchid album), Oxygen (disambiguation), Oxygen (play), Oxygen: Wikipedia, the Free Encyclopedia
  17. Oxygen: Online Plain Text English Dictionary
  18. oxygen: Webster's Revised Unabridged, 1913 Edition
  19. oxygen: Rhymezone
  20. Oxygen: AllWords.com Multi-Lingual Dictionary
  21. oxygen: Webster's 1828 Dictionary
  22. oxygen: Stammtisch Beau Fleuve Acronyms
  23. oxygen: FreeDictionary.org
  24. oxygen: Mnemonic Dictionary
  25. oxygen: TheFreeDictionary.com
  26. oxygen: Wikimedia Commons US English Pronunciations

Art (1 matching dictionary)
  1. oxygen: ArtLex Lexicon of Visual Art Terminology

Business (2 matching dictionaries)
  1. Construction Term Glossary (No longer online)
  2. oxygen: Financial dictionary

Computing (2 matching dictionaries)
  1. OXYGEN: Linktionary Networking Glossary
  2. oxygen: Encyclopedia

Medicine (12 matching dictionaries)
  1. oxygen: Merriam-Webster Medical Dictionary
  2. Dorland's Illustrated Medical Dictionary (No longer online)
  3. Oxygen: MedTerms.com Medical Dictionary
  4. Medical Dictionary (No longer online)
  5. Oxygen: UK Medical Acronyms
  6. Oxygen: Merck Manuals
  7. online medical dictionary (No longer online)
  8. oxygen: Dictionary of Cancer Terms
  9. oxygen: Medical dictionary
  10. PERFUSION TECHNOLOGY, OPEN HEART SURGERY AND CARDIOLOGY (No longer online)
  11. Oxygen: Drug Medical Dictionary
  12. Hyperdictionary (No longer online)

Miscellaneous (2 matching dictionaries)
  1. Encyclopedia of Graphic Symbols (No longer online)
  2. Brilliant Dream Dictionary (No longer online)

Science (6 matching dictionaries)
  1. Oxygen: Eric Weisstein's World of Chemistry
  2. Oxygen: Extragalactic Astronomy
  3. General Chemistry Online (No longer online)
  4. oxygen: WebElements Periodic Table of the Elements
  5. Atmospheric Chemistry and Air Quality (No longer online)
  6. Weather Glossary (No longer online)

Tech (5 matching dictionaries)
  1. AUTOMOTIVE TERMS (No longer online)
  2. Oxygen: A to Z of Terms related to the Thermal Spray Process and Surface Engineering
  3. Glossary of Meteorology (No longer online)
  4. Illustrated Glass Dictionary (No longer online)
  5. Lake and Water Word Glossary (No longer online)

(Note: See oxygenic as well.)

Definitions from Wiktionary (
)
American English Definition British English Definition
noun:  The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas.
noun:  Molecular oxygen (O₂), a colorless, odorless gas at room temperature, also called dioxygen.
noun:  (medicine) A mixture of oxygen and other gases, administered to a patient to help them breathe.
noun:  (countable) An atom of this element.
noun:  (figurative) A condition or environment in which something can thrive.

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    sky blue,     teal,     aqua,     turquoise,     cyan, more...



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