A Plan Used in Architecture or Engineering
This page is the CodyCross answer for the clue below from World of Books, Group 285, Puzzle 5 (Alphabetical Order).
Question is: A Plan Used in Architecture or Engineering
and the answer is: BLUEPRINT
Word Meaning:
BLUEPRINT — A type of paper-based reproduction process producing white-on-blue images by means of a photosensitive ferric compound, used primarily for technical and architecture's drawings, now largely replaced by other technologies.
Definitions from Wiktionary.