A transparent sheet of celluloid or plastic, used to layer elements of an animated image on top of a background in order to reduce the number of elements that need to be re-created for each frame.
A transparent sheet on which a single stage of an animated figure's movement has been painted: it is laid over a painted background to form the completed image.
Other Word Forms
Origin of cel
- Short for celluloid
From American Heritage Dictionary of the English Language, 5th Edition