transcription, транскрипция: [ ˈtau̇, ˈtȯ ]
noun
Etymology: Middle English taw, from Latin tau, from Greek, of Semitic origin; akin to Hebrew tāw taw
Date: 14th century
1. : the 19th letter of the Greek alphabet — see alphabet table
2. : 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 — called also tau particle
3. : 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