Scrabble Dictionary

Check if your word is playable in Scrabble.

Yes, tau is playable

...and is worth 4 points.

Found in the following dictionaries

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SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)

"Tau" Definition

noun

An elementary particle of the lepton family, having a mass about 3,550 times that of the electron, a negative electric charge, and a mean lifetime of 3 × 10-13 seconds. See Table at subatomic particle.
The 19th letter of the Greek alphabet. See Table at alphabet.
The 19th letter of the Greek alphabet.
A short-lived elementary particle of the lepton family that exists in positive and negative charge states and has a mass about 3500 times greater than an electron.
A protein that binds to and regulates the assembly and stability of neuronal microtubules and that is found in an abnormal form as the major component of neurofibrillary tangles.
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