The most common and most likely answer to this crossword clue is the 3 letter word TAU
I've seen this crossword clue in Independent
T
A
U
More clues leading to the result TAU
- Mostly tense character in Euripides, say?
- Greek character's teacup regularly avoided
- Greek character is tense, failing to reach conclusion
- Classic character: tense, almost to the end
- Workers’ association admitting a character in Patras
- Greek character well on the way to being tight
- Mostly stressed foreign consonant
- Tense, short letter
- Almost stretched to the limit, Greek character
- Thanks — but discovered this letter
Buddy explains!
The straight part
We know that "Greek character" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case greek character = tau.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TAU mean?
TAU noun- The letter Τ/τ in the Greek, Hebrew and ancient Semitic alphabets, being the nineteenth letter of the Classical and Modern Greek, the twenty-first letter of Old and Ancient Greek.
- A Τ-shaped sign or structure; a Saint Anthony's cross, sometimes regarded as a sacred symbol.
- A tau meson, now usually known as a kaon.
- An unstable heavy lepton, which decays into a muon or electron; a tauon.
- Tau protein, a type of protein that stabilizes microtubules in the human central nervous system, failures of which are associated with forms of dementia.
- A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying asset.
- An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its radius, approximately 6.2831853071; equal to twice the value of pi. Often written τ or 2π.