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n. 1. A contact print of a drawing or other image rendered as white lines on a blue background, especially such a print of an architectural plan or technical drawing. Also called cyanotype. 2. A mechanical drawing produced by any of various similar photographic processes, such as one that creates blue or black lines on a white background. 3. A detailed plan of action. See Synonyms at plan. 4. A model or prototype. tr.v. blue·print·ed, blue·print·ing, blue·prints 1. To make a blueprint of. 2. To lay a plan for. |
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