WordNet (r) 3.0 (2006):

microfiche
    n 1: small sheet of microfilm on which many pages of material
         have been photographed; a magnification system is used to
         read the material

Moby Thesaurus II by Grady Ward, 1.0:

55 Moby Thesaurus words for "microfiche":
   Flexowriter typewriter, Teleplotter, alphabetical printer,
   apograph, bulletin board, carbon, carbon copy, card, catalog card,
   digital graph plotter, disc, fiche, file, filing card, film,
   hard copy, index card, library catalog, magnetic recorder,
   magnetic tape, manifold, microcard, microcards, microcopy,
   microdot, microfilm, microform, motion-picture film,
   oscillograph recorder, oscilloscope, phonograph record, platter,
   printout, punch cards, punched tape, reader, readout, recorder,
   recording, relay register, rubbing, scoreboard, scorecard,
   scoresheet, slip, tape, tape reader, teletypewriter, tenor,
   ticker tape, tracing, transcript, transcription, transfer,
   videotape