Usually means: Hypothetical particle faster than light.
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We found 17 dictionaries that define the word tachyon:

General (13 matching dictionaries)
  1. tachyon: Merriam-Webster.com
  2. tachyon: Oxford Learner's Dictionaries
  3. tachyon: American Heritage Dictionary of the English Language
  4. tachyon: Collins English Dictionary
  5. Tachyon, tachyon: Wordnik
  6. tachyon: Wiktionary
  7. tachyon: Webster's New World College Dictionary, 4th Ed.
  8. tachyon: The Wordsmyth English Dictionary-Thesaurus
  9. tachyon: Infoplease Dictionary
  10. tachyon: Dictionary.com
  11. tachyon: Online Etymology Dictionary
  12. Tachyon (disambiguation), Tachyon (software), Tachyon: Wikipedia, the Free Encyclopedia
  13. tachyon: Dictionary/thesaurus

Computing (1 matching dictionary)
  1. tachyon: Encyclopedia

Science (2 matching dictionaries)
  1. Tachyon: Eric Weisstein's World of Physics
  2. Tachyon: Extragalactic Astronomy

Slang (1 matching dictionary)
  1. Tachyon: Urban Dictionary

Definitions from Wiktionary (tachyon)

noun:  (physics) A hypothetical particle that travels faster than the speed of light.
noun:  (physics) A flaw in a physical theory that predicts the existence of tachyons or similar paradoxical results. Compare with ghost.

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    electric blue,     neon green,     ultraviolet,     cosmic purple,     plasma red, more...



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