perforation gauge
noun Philately.
a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.
Origin of perforation gauge
First recorded in 1890–95
Words nearby perforation gauge
perforating artery,
perforating fiber,
perforating vein,
perforating wound,
perforation,
perforation gauge,
perforce,
perforin,
perform,
performance,
performance appraisal
British Dictionary definitions for perforation gauge
perforation gauge
noun
a graduated scale for measuring perforations and roulettes of postage stamps