- Poster color is a water-soluble paint consisting of a color mixed with a binder such as glue or gum to give it a dull finish.
An example of poster color is tempera paint.
poster color definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an opaque paint with a binder, such as gum or glue, that is water-soluble, used as for posters
poster color definition by American Heritage Dictionary