with objectTo develop (film) in a way that effectively increases its speed, in order to compensate for underexposure, or to increase contrast in the resulting image.
Origin
1970s; earliest use found in The Saturday Review.
Definition of push process in US English:
push process
verb
Photography
with objectTo develop (film) in a way that effectively increases its speed, in order to compensate for underexposure, or to increase contrast in the resulting image.