Glossary of Printing Terms
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R

Ragged left: Type that is justified to the right margin and the line lengths vary on the left.

Ragged right: Type that is justified to the left margin and the line lengths vary on the right.

Ream: Five hundred sheets of paper.

Recto: Right-hand page of an open book.

Reflective copy: Copy that is not transparent.

Register: To position print in the proper position in relation to the edge of the sheet and to other printing on the same sheet.

Register marks: Cross-hair lines or marks on film, plates, and paper that guide strippers, platemakers, pressmen, and bindery personnel in processing a print order from start to finish.

Reverse: The opposite of what you see. Printing the background of an image. For example; type your name on a piece of paper. The reverse of this would be a black piece of paper with a white name.

Rip film: A method of making printing negatives from PostScript files created by desktop publishing