(computing, formal) terabit (1000 gigabits or 1000⁴ bits) / (computing, informal) tebibit (2¹⁰ (1024) gibibits or 2⁴⁰ (1024⁴) bits)

(computing, formal) terabyte (1,000 gigabytes or 10¹² bytes). / (computing, informal) tebibyte (2¹⁰ (1024) mebibytes or 2⁴⁰ (1024⁴) bytes).

(sports) Abbreviation of Tampa Bay (a city in Florida).

(pathology) tuberculosis / (baseball) total bases / throwback

(US, television) Initialism of Turner Broadcasting System. / (military, US) Initialism of The Basic School. / (medicine) Initialism of The Bethesda system.

(abbreviation) Tablespoon.

plural of TB

(pathology) Initialism of multiple drug resistant tuberculosis.

(pathology) Initialism of extremely drug resistant tuberculosis.

Initialism of Pinky and the Brain.