| an opaque, water-based, typically bright-colored paint with a glue-size or gum binder, that is suitable for use on posters and is usually packaged in jars. |
| poster paint n. See tempera. |
tem·per·a  (těm'pər-ə)  n.
[Italian, from temperare, to mingle, from Latin temperāre; see temper.] |
