PMF

(= proton motive force) The proton gradient across a prokaryote membrane that provides the coupling between oxidation and ATP synthesis, and is used to drive the flagellar motor.

PMF

acronym: probable maximum flood
Found on http://cdiac.ornl.gov/pns/acronyms.html#P

PMF

Pardon My French -or- Pure Freaking Magic
Found on http://www.encyclo.co.uk/local/21662
No exact match found