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tau

noun

Simple meaning

The letter Τ /τ in the Greek alphabet.

Pronunciation

Say it like this:

tow
US device voice
IPA pronunciation (US)

ˈtaʊ

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. 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.

  2. A Τ-shaped object or sign; a Saint Anthony's cross, sometimes regarded as a sacred symbol.

  3. christianity

    A crosier with a Τ-shaped head.

  4. Ellipsis of 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").

  5. Tawed leather.

  6. The ankh symbol (☥).

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: 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.

Used this way, tau is a reasonably familiar word that usually carries little praise or criticism of its own. It turns up most in historical writing contexts.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
Matter-of-fact
Usage feel
Neutral and straightforward

Where it naturally appears

  • Historical writing

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.