There are 2 definitions of Mb in English:

Mb1

Syllabification: Mb

abbreviation

Computing
Megabit(s).

Definition of Mb in:

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Word of the day glee
Pronunciation: gliː
noun
great delight, especially from one's own good fortune…

There are 2 definitions of Mb in English:

MB2

Syllabification: MB

abbreviation

1Bachelor of Medicine.
[from Latin Medicinae Baccalaureus]
1.1Manitoba (in official postal use).
1.2 Computing Megabyte(s).

Definition of Mb in: