Teen.
American Library Association abbreviation of twentieth, a book size range (12.5-15 cm in height).
Transgender (TG) or transsexual (TS) (sometimes used in contrast to cisgender M or F; compare NB).
Taxable.
The twentieth letter of the English alphabet, called tee and written in the Latin script.
the prefix trans-.
Tuesday.
Tenor.
Thursday.
The sports statistic for ties in a given period under a given criteria.
A technical foul.
The Ford Motor Company's Model T automobile.
Testosterone. (Compare E, estrogen.)
A T wave.
Trailer car.
A T cell.
A T-beam.
The Massachusetts Bay Transportation Authority, or MBTA; specifically, the subway or train.
A T-shirt.
AT&T.
Thermodynamic temperature; temperature measured on an absolute scale such as the Kelvin scale.