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to cross one's T's (and dot one's i's) "to be exact" is attested from 1849. Phrase to a T "exactly" is recorded from 1690s, though the exact signification is uncertain, despite much speculation. The measuring tool called a T-square is recorded by that name from 1785.
nineteenth letter of the Greek alphabet, from Hebrew taw, last letter of the Hebrew alphabet, literally "sign, mark."
temperature (often italic)
The symbol for the isotope tritium.
absolute temperature (often italic)
tetanus toxoids vaccine
Symbol τ The 19th letter of the Greek alphabet.
A servile assistant; a mere ?unky or tool: Whenever Gulliver is not acting as a stooge there is a sort of continuity in his character/ his bail-bond stooges (1913+)verb
: We're glad to stooge for him (1939+)
To assault viciously; savage; clobber (1946+)
elementary subatomic particle similar to the electron but approximately 3,500 times heavier. Like the electron and the muon, the tau is an electrically charged member of the lepton family of subatomic particles; the tau is negatively charged, while its antiparticle is positively charged