MEST
n.— «He appealed to fellow Scientologists for donated books and other items to help him set up a new Narconon office. In Scientology’s dialect, such physical items are known as MEST, which stands for “matter, energy, space, time.”» —“Scientology link to public schools” by Nanette Asimov San Francisco Chronicle June 9, 2004. (source: Double-Tongued Dictionary)