glassfet

from Jargon File (4.4.4, 14 Aug 2003)
glassfet
 /glas'fet/, n.

   [by analogy with MOSFET, the acronym for Metal-Oxide-Semiconductor
   Field-Effect Transistor] Syn. {firebottle}, a humorous way to refer to
   a vacuum tube.
    
from The Free On-line Dictionary of Computing (8 July 2008)
glassfet

   /glas'fet/ [Analogy with {MOSFET}] (or "{firebottle}") A
   humorous way to refer to a {vacuum tube}.

   [{Jargon File}]
    

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