time-lapse photography

noun

1. the photographing on motion-picture film of a slow and continuous process, as the growth of a plant, at regular intervals, especially by exposing a single frame at a time, for projection at a higher speed.

noun

1. the technique of recording a very slow process, such as the withering of a flower, by taking a large number of photographs on a strip of film at regular intervals. The film is then projected at normal speed