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A card-shaped piece of photographic film, usually 4x6 or 3x5 inches in size, used for storage of miniaturized text in a grid pattern which can be read only with the aid of magnification by a reader/printer machine. In most academic libraries, the ERIC document collection is available on microfiche, filed according to the 6-digit ED number assigned to each document. Back files of periodicals may also be available on microfiche. Abbreviated fiche.
See also: ultrafiche.