There are 2 definitions of Tb in English:

Tb1

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symbol

The chemical element terbium.

Definition of Tb in:

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Word of the day hypnopompic
Pronunciation: ˌhipnəˈpämpik
adjective
relating to the state immediately preceding waking up...

There are 2 definitions of Tb in English:

TB2

Line breaks: TB

abbreviation

1 Computing Terabyte(s).
1.1Tubercle bacillus; tuberculosis.

Definition of Tb in: