Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The symbol for femtometer or femtometre, a unit of length. The name fermi for this unit is obsolete.
  • n. abbreviation for Fathom

from the GNU version of the Collaborative International Dictionary of English

  • n. A method of transmitting radio signals by modulating the frequency of the carrier wave; -- opposed to AM (amplitude modulation), in which the signal modulates the amplitude, rather than the frequency of the carrier wave.

from The Century Dictionary and Cyclopedia

  • n. A contraction of fathom.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. modulation of the frequency of the (radio) carrier wave
  • n. a radioactive transuranic metallic element produced by bombarding plutonium with neutrons

Etymologies

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  • Fm. Chemical element symbol for Fermium.

    December 16, 2007