Usually means: Hypothetical force in natural philosophy.
Definitions Related words Phrases Mentions History
We found 50 dictionaries that define the word od:

General (28 matching dictionaries)
  1. od: Longman Dictionary of Contemporary English
  2. OD, od: Merriam-Webster
  3. OD, OD, Od, o.d, od: Oxford Learner's Dictionaries
  4. OD, OD, Od, o.d: American Heritage Dictionary of the English Language
  5. 'Od, od: Collins English Dictionary
  6. OD, o.d: Vocabulary.com
  7. O'D, O.D, OD, Od, o'd, od, oD: Wordnik
  8. OD, od: Cambridge Advanced Learner's Dictionary
  9. O.D, OD, od: Wiktionary
  10. o.d, od: Webster's New World College Dictionary, 4th Ed.
  11. OD: The Wordsmyth English Dictionary-Thesaurus
  12. od: Infoplease Dictionary
  13. OD(PA&E), OD, 'od, o.d, od: Dictionary.com
  14. O.D: Online Etymology Dictionary
  15. od: Cambridge Essential American English Dictionary
  16. O.D, O.D. (musician), OD, Od (Unix), Od: Wikipedia, the Free Encyclopedia
  17. Od: Online Plain Text English Dictionary
  18. od: Webster's Revised Unabridged, 1913 Edition
  19. Od, o.d: Rhymezone
  20. Od: AllWords.com Multi-Lingual Dictionary
  21. OD, o.d: Stammtisch Beau Fleuve Acronyms
  22. Od: Dictionary of Phrase and Fable (1898)
  23. o.d, od: FreeDictionary.org
  24. od: The Phrontistery - A Dictionary of Obscure Words
  25. o.d, od: Mnemonic Dictionary
  26. Od, o.d: TheFreeDictionary.com

Art (2 matching dictionaries)
  1. od-: A Cross Reference of Latin and Greek Elements
  2. Glossary of Stamp Collecting Terms (No longer online)

Computing (1 matching dictionary)
  1. OD, o.d: Encyclopedia

Medicine (8 matching dictionaries)
  1. OD: Merriam-Webster Medical Dictionary
  2. Dorland's Illustrated Medical Dictionary (No longer online)
  3. OD (lens prescription): MedTerms.com Medical Dictionary
  4. OD: UK Medical Acronyms
  5. O.D: MedFriendly Glossary
  6. online medical dictionary (No longer online)
  7. O.D, OD: Medical dictionary
  8. OD (lens prescription): Drug Medical Dictionary

Miscellaneous (2 matching dictionaries)
  1. OD(PA&E), OD: Acronym Finder
  2. AbbreviationZ (No longer online)

Science (2 matching dictionaries)
  1. Archaeology Wordsmith (No longer online)
  2. OD: A Dictionary of Quaternary Acronyms and Abbreviations

Slang (2 matching dictionaries)
  1. od: Green’s Dictionary of Slang
  2. O.D, O.D, OD: Urban Dictionary

Tech (5 matching dictionaries)
  1. od: Webster's New World Telecom Dictionary
  2. OD: GEOGRAPHIC INFORMATION SYSTEMS, CARTOGRAPHY, AND REMOTE SENSING
  3. AUTOMOTIVE TERMS (No longer online)
  4. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)
  5. Schlumberger Oilfield Glossary (No longer online)

(Note: See od'd as well.)

Definitions from Wiktionary (Od)

noun:  (now archaic, regional) (Euphemistic form of) God.
noun:  (pseudoscience, historical, also attributive) A hypothetical force or natural power, which was supposed by Carl Reichenbach and others to inhere in certain people and produce phenomena such as animal magnetism and mesmerism, and to be developed by various agencies, as by chemical or vital action, heat, light, magnets, etc.
noun:  (manufacturing) (of a pipe, tube, or shaft) Initialism of outer diameter.
verb:  (informal) To take an overdose of a drug, to overdose.
noun:  An Indo-Aryan language spoken in Sindh and Punjab in Pakistan and Gujarat, Haryana, New Delhi and Rajasthan in India.
noun:  (informal) Initialism of overdose. [An excessive and dangerous dose of a drug.]
noun:  (professional degree) Initialism of Doctor of Optometry; also O.D.
noun:  Initialism of overdrive. [(dated, automotive) A gear, on an automobile, higher than the traditionally normal top gear, mainly to allow better fuel economy at highway speeds. In the 21st century, such gears are no longer viewed as "extra" and thus are often not called by this name anymore.]
noun:  Initialism of overdraft. [(uncountable) The act of overdrawing a bank account.]
noun:  Initialism of optical density.
noun:  (military) Initialism of olive drab (“clothing of an olive drab colour, used for military uniforms”). [A greyish green colour, like that of a ripe green olive; almost invariably with a matte finish.]
noun:  (Australia, on road signs) Initialism of over dimension, used on route numbers for large vehicles, and normally followed by a numeral, e.g. OD5.
noun:  (management) Initialism of organization development.
noun:  Alternative letter-case form of od [(now archaic, regional) (Euphemistic form of) God.]

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