Definitions for "Poor trapping"
A condition experienced in wet-on-wet printing in letterpress, flexography, and lithography when less ink transfers to a previous layer ink than to the clear substrate surface.
In printing, the condition in wet printing in letterpress and lithography when less ink transfers to previously printed ink than to unprinted paper.
An undesirable printing condition in which different color inks do not properly register, causing thin white lines in between colors.