tb

1 of 4

abbreviation (1)

tablespoon; tablespoonful

Tb

2 of 4

symbol

terbium

TB

3 of 4

noun

ˌtē-ˈbē How to pronounce TB (audio)
: tuberculosis

TB

4 of 4

abbreviation (2)

1
thoroughbred
2
tubercle bacillus

Word History

Etymology

Noun

TB (abbreviation for tubercle bacillus)

First Known Use

Noun

1912, in the meaning defined above

Time Traveler
The first known use of tb was in 1912

Dictionary Entries Near tb

Taʽizz

tb

TB

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Cite this Entry

“Tb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tb. Accessed 17 Dec. 2024.

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Kids Definition

TB

noun
(ˈ)tē-ˈbē
: tuberculosis

Medical Definition

Tb

1 of 3 symbol
terbium

TB

2 of 3 noun
(ˈ)tē-ˈbē How to pronounce TB (audio)
: tuberculosis

TB

3 of 3 abbreviation
tubercle bacillus
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