13 letters · 22 points in Scrabble
noun a detailed description of design criteria for a piece of work
noun naming explicitly
noun (patent law) a document drawn up by the applicant for a patent of invention that provides an explicit and detailed description of the nature and use of an invention
originFrom Middle French specification, from Medieval Latin specificationem (accusative of specificatio).
Etymology from Wiktionary, CC BY-SA 3.0