society > leisure > the arts > visual arts > painting and drawing > condition or preservation of paintings > [verb (intransitive)] > sink (2)
intransitive. Of oil paints: to seep into the surface or ground to which they are applied. Hence of an oil painting: to develop dull spots on the…
intransitive. Of oil paints: to seep into the ground of the painting. Hence also of an oil painting: to develop dull spots as a result of this…