lf

from WordNet (r) 3.0 (2006)

LF
    n 1: 30 to 300 kilohertz [syn: {low frequency}, {LF}]

from The Collaborative International Dictionary of English v.0.48

LF \LF\ n. (Electronics)
   Low frequency, a term used to refer to radio waves of a
   frequency from 30 to 300 kilohertz. Contrasted to {HF}, high
   frequency. [Acronym]

   Syn: low frequency.
        [WordNet 1.5]

from The Free On-line Dictionary of Computing (8 July 2008)

LF

   {Line Feed}

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

LF
       Line Feed (ASCII)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

LF
       Login Facility (DCE)