blueline
[ bloo-lahyn ]
/ ˈbluˌlaɪn /
noun Printing.
a print made on light-sensitive paper and used as a proof for checking the position of stripped-up negatives or positives and copy prior to platemaking.
Also
blue.
Words nearby blueline
blueing,
blueish,
bluejack,
bluejacket,
bluejacking,
blueline,
blueness,
bluenose,
bluepoint,
blueprint,
blueprinting