[poh-ster-uh-zey-shuh n] /ˌpoʊ stər əˈzeɪ ʃən/
a process for producing a posterlike, high-contrast color reproduction from continuous-tone art by using separation negatives of various densities.
Photography. a printing process in which all tone values of a negative are reduced to a few and the tonal separation negatives produced are printed at different exposure levels on a high-contrast film so that a set of flat tones results.
verb to print an image using only a few shades of gray, characteristic of posters
[poh-stern, pos-tern] /ˈpoʊ stərn, ˈpɒs tərn/ noun 1. a back door or gate. 2. a private entrance or any entrance other than the main one. adjective 3. of, relating to, or resembling a postern. /ˈpɒstən/ noun 1. a back door or gate, esp one that is for private use adjective 2. situated at the rear […]
postero- pref. Posterior: posterosuperior.
posteroanterior pos·ter·o·an·te·ri·or (pŏs’tə-rō-ān-tēr’ē-ər) adj.