a process of photographic printing, used chiefly in copying architectural and mechanical drawings, that produces a blue line on a white background.
a print made by this process.
Origin of cyanotype
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for cyanotype
Historical Examples of cyanotype
It should then be put in the printing frame in the same way as the cyanotype paper and exposed to the sun.
Prints made upon this cyanotype paper have a beautiful blue tone, and are so simple and easily made that they are very popular.
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012