say it: MAHY-kruh-film
microfilm is a noun and verb meaning "film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material". It carries 2 recorded senses.
film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material
record on microfilm
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for microfilm come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.