a length of photographic film backed with opaque paper and rolled on a spool
roll film in American English
a strip of photographic film rolled on a spool for a series of consecutive exposures
roll film in American English
noun
Photography
a strip of film with space for several exposures, packaged on a spool in roll form so as to permit daylight loading and unloading and ease of handling
Word origin
[1890–95]This word is first recorded in the period 1890–95. Other words that entered Englishat around the same time include: blip, bootstrap, honky-tonk, phoneme, pogey