There are multiple definitions:
proton-motive force(English)
- force that promotes movement of protons across membranes downhill the electrochemical potential
- ATP, NAD, TCA
- Biophysics, Membranes
- https://doi.org…642-11274-4_141
probability mass function(English)
- also as PMF
- PMF
- Statistics
- https://doi.org…ROC.2005.859599