Definition of TB abbreviation from the Oxford Advanced Learner's Dictionary

     

    TB

     abbreviation
    abbreviation
     
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  1. 1
    BrE BrE//ˌtiː ˈbiː//
     
    ; NAmE NAmE//ˌtiː ˈbiː//
     
    tuberculosisan increase in the number of TB cases
  2. 2 (in writing)terabyte