Henry Cowan & Peter Smith 
Dictionary of Architectural and Building Technology [PDF ebook] 

A comprehensive summary of the vocabulary used across the building industry, from the preparation of an architectural brief, through creative and technical design, to construction technology and facilities management. The latest edition has several substantially revised entries as well as many new additions, including new illustrations and terms. Covering a range of disciplines across architecture and building and including both SI metric and Imperial units, this dictionary and reference work will enable students and professionals to use and understand vocabulary from other areas of expertise, and contribute to better communication.