Usually means: Elementary particle, similar to electron.
Definitions Related words Phrases Mentions History Colors (New!) Easter eggs (New!)
We found 36 dictionaries that define the word tau:

General (22 matching dictionaries)
  1. tau: Merriam-Webster
  2. Tau, tau: Oxford Learner's Dictionaries
  3. tau: American Heritage Dictionary of the English Language
  4. tau: Collins English Dictionary
  5. tau: Vocabulary.com
  6. Tau, tau: Wordnik
  7. tau: Wiktionary
  8. tau: Webster's New World College Dictionary, 4th Ed.
  9. tau: The Wordsmyth English Dictionary-Thesaurus
  10. tau: Infoplease Dictionary
  11. TAU: Dictionary.com
  12. TAU (spacecraft), TAU, Tau (disambiguation), Tau (film), Tau (letter), Tau (mathematical constant), Tau (mythology), Tau (particle), Tau (protein), Tau (sculpture), Tau: Wikipedia, the Free Encyclopedia
  13. Tau: Online Plain Text English Dictionary
  14. tau: Webster's Revised Unabridged, 1913 Edition
  15. tau: Rhymezone
  16. Tau (m), Tau: AllWords.com Multi-Lingual Dictionary
  17. tau: Webster's 1828 Dictionary
  18. Tau: Stammtisch Beau Fleuve Acronyms
  19. Tau: Dictionary of Phrase and Fable (1898)
  20. tau: FreeDictionary.org
  21. tau: Mnemonic Dictionary
  22. tau: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. Tau (protein), tau: Encyclopedia

Medicine (3 matching dictionaries)
  1. tau: Merriam-Webster Medical Dictionary
  2. online medical dictionary (No longer online)
  3. Tau (letter), Tau (protein), tau: Medical dictionary

Miscellaneous (4 matching dictionaries)
  1. baby names list (No longer online)
  2. TAU: Acronym Finder
  3. TAU: Three Letter Words with definitions
  4. AbbreviationZ (No longer online)

Science (3 matching dictionaries)
  1. Tau: Eric Weisstein's World of Mathematics
  2. tau( ): Prime
  3. Accelerator Glossary (No longer online)

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

Tech (2 matching dictionaries)
  1. Basics of Space Flight Glossary (No longer online)
  2. Rane Professional Audio Reference (No longer online)

(Note: See taus as well.)

Definitions from Wiktionary (TAU)

noun:  The letter Τ /τ in the Greek alphabet; being the nineteenth letter of the Classical and Modern Greek, and the twenty-first letter of the Old and Ancient Greek alphabets.
noun:  A Τ-shaped object or sign; a Saint Anthony's cross, sometimes regarded as a sacred symbol.
noun:  (Christianity) A crosier with a Τ-shaped head.
noun:  The ankh symbol (☥).
noun:  (astronomy) Chiefly written τ: used to designate the nineteenth star (usually according to brightness) in a constellation.
noun:  (finance) A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying asset.
noun:  (mathematics, neologism) Chiefly written τ: an irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its radius, equal to twice the value of pi (2π; approximately 6.2831853071).
noun:  A surname from Chinese.
noun:  Alternative form of taw; the 22nd and last letter of many Semitic alphabets/abjads, including Phoenician, Aramaic, Hebrew, Syriac, and Arabic. [(obsolete) Tawed leather.]
noun:  (neurology) Short for tau protein (“a protein abundant especially in the neurons of the human central nervous system that stabilizes microtubules, and when misfolded is associated with forms of dementia such as Alzheimer's and Parkinson's diseases”). [(neurology) A protein abundant especially in the neurons of the human central nervous system that stabilizes microtubules, and when misfolded is associated with forms of dementia such as Alzheimer's and Parkinson's diseases.]
noun:  (physics) Chiefly written τ.
noun:  Short for tau lepton or tau particle (“an unstable elementary particle which is a type of lepton, having a mass almost twice that of a proton, a negative charge, and a spin of ½; it decays into hadrons (usually pions) or other leptons, and neutrinos; a tauon”).
noun:  (historical) Short for tau meson, now known as a kaon.
noun:  (medicine) Abbreviation of treatment as usual.

Similar:

Opposite:

Types:

Phrases:

Adjectives:

Colors:
    taupe,     taupe gray,     taupe, more...

Words similar to tau

Usage examples for tau

Idioms related to tau

Wikipedia articles (New!)

Popular adjectives describing tau

Words that often appear near tau

Rhymes of tau

Invented words related to tau

Similar:

Opposite:

Types:

Phrases:

Adjectives:

Colors:
    taupe,     taupe gray,     taupe, more...



Writing poetry or lyrics? You can find related words that match a given meter.
This feature is permanently available from the "Related words" tab and from the Thesaurus.



List phrases that spell out tau 




Home   Reverse Dictionary / Thesaurus   Datamuse   Word games   Spruce   Feedback   Dark mode   Random word   Help


Color thesaurus

Use OneLook to find colors for words and words for colors

See an example

Literary notes

Use OneLook to learn how words are used by great writers

See an example

Word games

Try our innovative vocabulary games

Play Now

Read the latest OneLook newsletter issue: Threepeat Redux