MEST (23)

the physical universe. A word coined from the initial letters of Matter, Energy, Space and Time, which are the component parts (elements) of the physical universe. Also used as an adjective, in the same sense to mean physical - as in "MEST universe," meaning the "physical universe." —Life Orientation Course Glossary, May 90, —Academy Level III Glossary, —Academy Level IV Glossary, —9th ACC Volume 3 Approved Glossary