TB noun 10forms 2 noun10 •Initialism of tuberculosis. •Initialism of terabyte.Experiments in labs produce considerable amounts of raw data, easily in the range of many TBs. — 2015 •Abbreviation of throwback. •Initialism of Tampa Bay: a bay of Florida, United States, on which are located the cities of Tampa and St. Petersburg. •Initialism of total bases. •Initialism of torpedo boat. •Initialism of torpedo bomber. •Initialism of test board, a circuit board used to test a circuit for some specialized task. •Initialism of trainer bomber (“a bomber that also serves as a trainer aircraft”). •Initialism of teen baby. formsTBs · tbs