electricity that
flows for a
short time in one direction and then
reverses to
flow a
short while in the opposite direction. It keeps reversing or alternating back and forth at a rapid rate.
—Academy Level I Glossary - Approved November 1990, —Secrets of the MEST Universe Glossary (approved 26-9-90), —9th ACC Volume 2 Approved Glossary, —9th ACC Volume 1 Approved Glossary, —PDC Volume 1 Approved Glossary