preprocess (v.) Look up preprocess at Dictionary.com
also pre-process, 1956, from pre- + process (v.). Related: Preprocessed; preprocessing.
Preprocessed foods are not only here but are gaining such a tremendous acceptance that soon there will be little else on the market. This eliminates the need for mixing, peeling, blending and other devices used in the preparation of raw foods. ["Popular Mechanics" October 1956]