gouache /ˈgwɑʃ/
樹膠水彩畫[法.顏料]
Gouache n. A method of painting with opaque colors, which have been ground in water and mingled with a preparation of gum; also, a picture thus painted.
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gouache
n 1: an opaque watercolor prepared with gum
2: a watercolor executed with opaque watercolors mixed with gum