Definition of oil process
: a photographic printing process in which a layer of gelatin is sensitized with a bichromate solution, exposed under a negative, soaked in water, and inked with an oily printing ink by a brush, the unexposed portions of the gelatin swelling in the water and repelling the oily ink while the exposed portions tanned by the light action remain unswollen and accept the ink
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up oil process? Please tell us where you read or heard it (including the quote, if possible).