poster color

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.

(noun)

An example of poster color is tempera paint.

See poster color in Webster's New World College Dictionary

an opaque paint with a binder, such as gum or glue, that is water-soluble, used as for posters

See poster color in American Heritage Dictionary 4

noun

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