A symbol or character used as a marker to aid correct alignment in printing, lithography, etc. Cf. registration, n. 3.
| 单词 | θ195283 | 
| 释义 | society > communication > printing > printers' symbols and directions > 			[noun]		 > mark to control position (2)		 registration mark1894 A symbol or character used as a marker to aid correct alignment in printing, lithography, etc. Cf. registration, n. 3. register mark1905 any of a set of marks used to achieve register when printing images (cf. sense 12c).  | 
	
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