1. bipack - Noun
2. bipack - Verb
bipack (uncountable)
(cinematography) The process of loading two reels of film into a camera, so that they both pass through the camera gate together, formerly used for visual effects and as a subtractive colour process.
bipack (third-person singular simple present bipacks, present participle bipacking, simple past and past participle bipacked)
(cinematography) To load two reels of film in this manner.