There are 2 main definitions of Tb in English:

Tb1

Syllabification: Tb

symbol

The chemical element terbium.

abbreviation

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Bible Tobit.

Definition of Tb in:

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There are 2 main definitions of Tb in English:

TB2

Syllabification: TB

abbreviation

1.1 (also t.b.) Tubercle bacillus.
1.2 (also t.b.) Tuberculosis.

Definition of Tb in: