The Jargon File (version 4.4.7, 29 Dec 2003):

friode
 /fri:'ohd/, n.

    [TMRC] A reversible (that is, fused or blown) diode. Compare fried; see
    also SED, LER.


The Free On-line Dictionary of Computing (30 December 2018):

friode

    /fri:'ohd/ (TMRC) A reversible (that is,
   fused, blown, or fried) diode.  A friode may have been a
   SED at some time.

   See also LER.

   [Jargon File]

   (1996-04-28)