Definitions for "Show-through"
The degree to which printed copy on one side of the sheet can be seen when examining the other side. The less opaque a paper, the more show-through will be apparent.
A problem that occurs when the printing on one side of a sheet is seen from the other side.
The degree to which the ink on one side of a printed sheet can be seen from the other side, as determined by the opacity of the paper.
Keywords:  flush, irregular, visible, door, wood
Irregular surfaces visible on the face of a wood flush door.
The property of a substrate that permits underlying markings to be seen.