D defs.my
Entry 2 senses · 2 variants Webster, 1913

Microfilm

/mīk'-rəf-ĭlmˌ/ · Mic·ro·film · IPA /mˈaɪkrəfˌɪlm/
01 n. a photographic film with one or more very small images of printed or other graphic matter. Numerous images, corresponding to the contents …
  1. 1.
    a photographic film with one or more very small images of printed or other graphic matter. Numerous images, corresponding to the contents of a book, newspaper, or journal, are typically produced on one long roll of film, and may be viewed for reading in a special apparatus called a microfilm reader.
02 v. t. to photograph and produce images of on microfilm.
  1. 1.
    to photograph and produce images of on microfilm.