/ Dictionary / Index W wet plate process: Meaning and Definition of Find definitions for: wet' plate' proc"ess Pronunciation: [key] a photographic process, in common use in the mid-19th century, employing a glass photographic plate coated with iodized collodion and dipped in a silver nitrate solution immediately before use. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wet pack wetproof Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language