any of a series of regular perforations along the edge of photographic film for engaging the drive sprockets in a motion-picture camera or projector.
[ 1905-10 ]
any of a series of regular perforations along the edge of photographic film for engaging the drive sprockets in a motion-picture camera or projector.
[ 1905-10 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012