blueprint

UK: /ˈbluːprɪnt/ US: /ˈbluˌprɪnt/ ,(blo̅o̅′print′)

WordReference Random House Learner's Dictionary of American English © 2025

blue•print /ˈbluˌprɪnt/  n. [countable]

1. Printing a photographic print made by a process that produces white lines on a blue background, used chiefly for plans:
   the architect's blueprints.
2. a detailed outline or plan of action:
   a blueprint for success.

WordReference Random House Unabridged Dictionary of American English © 2025

blue•print  (blo̅o̅′print′), n. 

1. Printing a process of photographic printing, used chiefly in copying architectural and mechanical drawings, which produces a white line on a blue background.
2. Printing a print made by this process.
3. a detailed outline or plan of action:
   a blueprint for success.

v.t. 

4. Printing to make a blueprint of or for.

• blue + print 1885–90

blue′print′er, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

blueprint / ˈbluːˌprɪnt/ noun

1. Also called: cyanotype a photographic print of plans, technical drawings, etc, consisting of white lines on a blue background
2. an original plan or prototype that influences subsequent design or practice

verb

1. (transitive) to make a blueprint of (a plan)