p. pr. & vb. n. of Scumble
n. A mode of obtaining a softened effect, in painting and
drawing, by the application of a thin layer of opaque color to the
surface of a painting, or part of the surface, which is too bright in
color, or which requires harmonizing.
n. In crayon drawing, the use of the stump.
n. The color so laid on. Also used figuratively.
v. 将色彩变淡, 渐使颜色变浅( scumble的现在分词 ); 薄涂