There are 2 definitions of mf in English:

mf1

Line breaks: mf

abbreviation

Mezzo forte.

Definition of mf in:

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Word of the day envenom
Pronunciation: enˈvenəm
verb
put poison on or into; make poisonous

There are 2 definitions of mf in English:

MF2

Line breaks: MF

abbreviation

Medium frequency.

Definition of mf in: