gesso
noun [ U ] art specialized uk/ˈdʒes.əʊ/ us/ˈdʒes.oʊ/
（绘画、雕塑用）石膏粉底料，亦用于给木板表面打底。
a mixture of plaster (= a substance that becomes hard and smooth as it dries) and glue, used in painting, sculpture, and as a base for decorating wood
Each canvas was layered with two coats of gesso and painted with watered acrylic. 每块画布用石膏粉打了两层底，上面用水溶丙烯颜料作画。
It's a male torso done in pencil on white gesso. 这是用铅笔画在白色石膏底子上的男性躯干。
Many antique looking-glass frames are made of wood with gilded gesso mouldings. 许多古董镜子的边框都是木制的，嵌有涂金的石膏线脚。
- More examples
- She returned to painting, with soft acrylic washes thinly applied over eight coats of gesso in pinks, blues and yellows.
- He applies eight coats of gesso and sands between each coat.
- For my final layer, I apply the gesso with a palette knife.
- A "santo" as an object means a religious figure carved of wood, covered with gesso, carved in detail, and then painted.