planography

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A process for printing from a smooth surface, as lithography or offset.

from The Century Dictionary.

• noun The art of drawing plans or maps.
• noun The art of printing from plane surfaces. See planographic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A form of printing from a flat surface, as opposed to a raised or incised one.
• noun medical tomography

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the process of printing from a surface on which the printing areas are not raised but are ink-receptive (as opposed to ink repellent)